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CBSE Questions for Class 8 Maths Understanding Quadrilaterals Quiz 10 - MCQExams.com

A diagonal of a paralleogram divides it into two congruent triangles.
  • True
  • False
State, with reason, whether the following statement is true or false:Every parallelogram is a rhombus.
  • True
  • False

If the quadrilateral ABCD is a parallelogram. What is the value of x?
1326189_19f79d48a1b14316b982cc3506219c2f.png
  • 45
  • 30
  • 36
  • 37
In parallelogram ABCD, the bisectors of A and B intersect at M.If A=80o, then AMB=.........
  • 40o
  • 50o
  • 80o
  • 90o
Measures of opposite angles of parallelogram are (3x2) and (50x). Find the measure of its other angles.
  • 143
  • 153
  • 163
  • 173
Diagonals of a parallelogram ABCD intersect at point O. If BOC=90 and BDC=50, then OAB is :
  • 90
  • 50
  • 40
  • 10
A quadrilateral with two pairs of opposite sides parallel, is a :
  • a rhombus
  • a kite
  • a trapeziun
  • a parallellogram
What type of angle is formed at the point of intersection of the angle bisectors of two adjacent angle of a parallelogram?
  • Acute angle
  • Complementary angle
  • Right angle
  • Obtuse angle
Say True or False.
All the sides of a rhombus are of equal length.
  • True
  • False
Say True or False.
All the sides of a parallelogram are of equal length.
  • True
  • False
The diagonals do not necessarily intersect at right angles in a
  • parallelogram
  • rectangle
  • rhombus
  • kite
Two adjacent angles of a parallelogram are (2x+25)o and (3x5)o. The value of x is
  • 28
  • 32
  • 36
  • 42
Which of the following is a property of a parallelogram ? 
  • Opposite sides are parallel.
  • The diagonals bisect each other at right angles.
  • The diagonals are perpendicular to each other.
  • All angles are equal.
In a parallelogram PQRS , if P=60, then other three angles are:
  • 45,135,120
  • 60,120,120
  • 60,135,135
  • 45,135,135
If two adjacent angles of a parallelogram are in the ratio 2:3 , then the measure of angles are:
  • 72,108
  • 36,54
  • 80,120
  • 96,144
The angle between the two altitudes of a parallelogram through the same vertex of an obtuse angle of the parallelogram is 30. The measure of the obtuse angle is 
  • 100
  • 150
  • 105
  • 120
State whether the statements are true (T) or (F) false:
The sum of interior angles and the sum of exterior angles taken in an order are equal in case of quadrilateral only.
  • True
  • False
State whether the statements are true (T) or (F) false.
If diagonals of a quadrilateral bisect each other , it must be a parallelogram.
  • True
  • False
State whether the statements are true (T) or (F) false.
If opposite angles of a quadrilateral are equal , it must be a parallelogram.
  • True
  • False
All parallelograms having equal areas have same perimeters. 
  • True
  • False
Boundaries of surfaces are:
  • surfaces
  • curves
  • lines
  • points
The sum of interior angles of a hexagon is:
  • 720
  • 360
  • 540
  • 1080
If the two adjacent angles of a parallelogram are (3x20) and (50x), then the value of x is:
  • 55
  • 75
  • 20
  • 80
Select which curves are open. 
In a parallelogram ABCD, if AB=2x+5,CD=y+1,AD=y+5 and BC=3x4, what is the ratio of AB and BC?
  • 71:21
  • 12:11
  • 31:35
  • 4:7
If an angle of a parallelogram is four-fifths of its adjacent angle, what are the angles of the parallelogram?



  • 60o,120o,60o,120o
  • 90o,90o,90o,90o
  • 80o,100o,80o,100o
  • 30o,150o,30o,150o
In the diagram, KLMN is a constructed parallelogram.
Find the value of KLM

85774.png
  • 150
  • 300
  • 450
  • 600
The parallelogram PQRS is formed by joining together four equilateral triangles of side 1 unit, as shown in the figure.
What is the length of the diagonal SQ?











86374.jpg
  • 7
  • 8
  • 6
  • 5
Which of the following statement(s) is/are correct ?
  • A parallelogram in which two adjacent angles are equal is a rectangle.
  • A quadrilateral in which both pairs of opposite angles are equal is parallelogram
  • In a parallelogram the number of acute angles is two.
  • All of these
If ABCD is a parallelogram, then AC=_
  • 1800
  • 00
  • between 100 & 1800
  • None of these
0:0:1


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