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CBSE Questions for Class 6 Maths Basic Geometrical Ideas Quiz 3 - MCQExams.com
CBSE
Class 6 Maths
Basic Geometrical Ideas
Quiz 3
Square is an example of ................. polygon
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curved
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irregular
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regular
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None of the above
Explanation
All sides and angles are equal of a regular plolygon.
Therefore, $$C$$ is the correct answer
When the side of the polygon is extended, we get an angle formed by the extended side and the side of a polygon is called the _____ angle.
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interior
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supplementary
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complementary
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exterior
Explanation
The angle formed in the exterior of the polygon is called exterior angle.
Therefore, D is the correct answer.
................... is equilateral and equiangular.
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Rectangle
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Scalene triangle
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Square
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Kite
Explanation
All sides and angles in a square are equal, while all other three options have unequal measures.
Therefore, C is the correct answer.
What is a line segment?
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A straight path having no end points
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A straight path having two end points
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A straight path having one end point
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A path having end points
Explanation
We know that, a line segment is a path having two end points on both the sides. Thus, it has a fixed length.
Hence, option B is correct.
Which of the following real world example is a line?
(width not taken in account)
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A ruler
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A straight road extending in both direction
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A building from bottom to top
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A long pipeline
Explanation
A line is a straight path, having no bends and extends infinitely on both the sides or we can say that a line is a path having no end points. Thus a line has no fixed length or not definite length.
Here options A, C and D have either one end point or two end points.
So, the option B will be correct.
The rays making angles are called ______ of an angle.
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Line
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Line segment
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Arms
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Ray
Explanation
The two rays which have common initial point and form an angle between them are known as arms of angle.
Identify the intersecting lines from given figure.
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0%
0%
0%
Explanation
Any two lines are said to be intersecting lines if they have one point in common or both the lines share one point.
So, option C is the correct answer.
What are intersecting lines?
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Lines which does not meet each other.
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Lines which meet each other at a common point.
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Lines which are equidistant at all points.
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Lines which meet each other at infinity.
Explanation
Intersecting lines are those lines which meet each other at one common point. The point at which they meet is called point of intersection.
Two rays A and B having common initial point is said to form an ________.
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Line
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Ray
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Line segment
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Angle
Explanation
When two rays have a common initial point, they form an angle at that point.
Hence, D will be correct answer.
What is a line?
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A collection of points in a plane
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A collection of points going in opposite direction
having
no end points following a straight path
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A path joining two points
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A collection of points going in opposite direction.
Explanation
A line is a collection of points along a straight path that goes on and on in opposite directions. It has no end points.
Which of the following represent parallel lines AB and CD?
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$$\displaystyle AB\neq CD$$
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$$\displaystyle AB\cong CD$$
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$$\displaystyle AB\parallel CD$$
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$$\displaystyle AB\sim CD$$
Explanation
We know that, the symbol for parallel lines is $$\parallel$$.
Hence, two lines, $$AB$$ and $$CD$$, when parallel, are represented as $$AB\parallel CD$$.
Hence, option C is correct.
The length of a line is:
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Distance between the end points
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Distance between any two points on the line
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Not defined
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None of these
Explanation
A line is a straight path, having no bends and extends infinitely on both the sides or we can say that a line is a path having no end points. Thus a line has no fixed length or not definite length.
Hence, C will be correct answer.
Which of the following is a real life example of intersecting line?
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Orange
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Football
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Hands of the clock
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None of these
Explanation
You can clearly see two lines passing through a common point in the clock shown in the figure.
No lines are observed in an orange and a football.
So option $$C$$ is correct.
Which of the following is true regarding intersecting lines?
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Intersecting lines are two lines that share exactly one point.
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Line segments also intersect where they share a common point.
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Intersecting lines have exactly two common points.
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The shared point is called the point of intersection.
Explanation
Consider two intersecting lines $$OP$$ and $$AB$$ as shown in the figure.
They share a common point $$C.$$
So option $$A$$ is correct and option $$B$$ is also correct.
The shared point is called the point of intersection.
So options $$A,B$$ and $$D$$ are correct,
Which of the following is not a real life example of intersecting line?
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Cricket ball
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Table
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Bed
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Mango
Explanation
An intersection can be seen at the legs of a table and bed . But there is no such intersection in mango and cricket ball.
So option $$A$$ and $$D$$ are correct.
From the figure, identify the center of the circle.
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$$A$$
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$$D$$
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$$B$$
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$$C$$
Explanation
Center of a circle is a point inside the circle and is at an equal distance from all of the points on its circumference.
In the given figure, $$C$$ is such point.
So, $$C$$ is the center of the given circle.
Hence, option $$D$$ is correct.
Identify the center of the circle.
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$$A$$
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$$O$$
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$$D$$
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$$C$$
Explanation
Center of a circle is a point inside the circle and is at an equal distance from all of the points on its circumference.
In the given figure, $$O$$ is such point.
So, $$O$$ is the center of the given circle.
Hence, option $$B$$ is correct.
A minimum of how many lines are required for intersection?
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$$3$$
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$$4$$
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$$2$$
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None of these
Explanation
A minimum of two lines are required to get a point of intersection.
So option $$C$$ is correct.
Two concentric circles intersect at _____ number of points.
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$$2$$
0%
$$0$$
0%
$$1$$
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None of these
Explanation
Two concentric circles do not intersect. They only share a common centre as shown in the figure.
Which of the following letters represents the vertex of an angle in the given picture?
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D and E
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E and H
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F and G
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G only
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H only
Explanation
We know that the common end point of an angle is called vertex. So from the given figure, $$H$$ be a common end point. Therefore, $$H$$ is a vertex.
Hence, E is correct answer..
In $$\angle ABC$$, the arms of the angle are:
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$$AB$$ and $$AC$$
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$$AB$$ and $$BC$$
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$$AC$$ and $$BC$$
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None of these
Explanation
From the figure it can be seen that arms of the angle are $$AB$$ and $$BC$$.
So option $$B$$ is correct.
A pair of rails on a railway track is an example of _____.
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intersecting lines
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non-intersecting lines
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parallel lines
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none of these
Explanation
We know that parallel lines never intersect each other.
The rails of a railway track never meet so they are an example of parallel lines.
Hence, $$C$$ is the correct answer.
Identify the position of the point $$P$$ with respect to the angle.
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Interior of the angle
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Exterior of the angle
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On the angle
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None of these
Explanation
Any point lying between the arms of an angle is interior point of angle. So $$P$$ is the interior point of angle.
Hence, option $$A$$ is correct.
Identify the position of the point $$P$$ with respect to the angle.
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Interior of the angle
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Exterior of the angle
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On the angle
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None of these
Explanation
Any point lying on the arms of an angle is called point on the angle. Here point $$P$$ is on the arm of the angle.
So option $$C$$ is correct.
Identify the position of the point $$P$$ with respect to the angle.
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Interior of the angle
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Exterior of the angle
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On the angle
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None of these
Explanation
Any point lying outside the arms of an angle is exterior point of angle. So $$P$$ is the exterior point of angle.
Hence, option $$B$$ is correct.
Which of the following letter represents intersecting lines?
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$$C$$
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$$X$$
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$$H$$
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None of these
Explanation
We can clearly observe two lines interesting at the point $$O$$ in the letter $$X$$
And two points of intersection $$A$$ and $$B$$ in the letter $$H$$.
There are no lines in the letter $$C.$$
So options $$B$$ and $$C$$ are correct.
Identify the open curve.
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$$1 $$ only
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$$4$$ only
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$$1,4$$ only
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$$1,2,3$$ only
Explanation
We know that an open curve has two end points.
Therefore the figure $$1,2,3$$ are the open figures whereas $$4$$ is a closed circle.
Position of point R is in the ______.
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interior of curve
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exterior of curve
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on the curve
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can not be said
Explanation
The point $$R$$ is one the curve.
Hence, option C is correct.
Position of P is
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in the interior of curve
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in the exterior of curve
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on the curve
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can not be said
Explanation
$$P$$ is point is interior of curve.
State true or false:
Every simple closed curve is a polygon.
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True
0%
False
Explanation
If we consider a circle it is a simple closed curve but it is not a polygon. Hence, the given statement is false.
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