MCQ Questions for Class 9 Maths Lines And Angles Quiz 11

$a$ and

$c$ are not

0%
Corresponding angles
0%
Alternate interior angles
0%
Alternate exterior angles
0%
Interior angles on the same side

$E$ and

$F$ are Corresponding angles.

0%
True
0%
False

BCD is a line segment and Angle BAC

$=1_{/4}$ Angle ACB; Angle ACD

$=?$

0%
$140$
0%
$100$
0%
$120$
0%
$60$
0%
It cannot be determined from the information given

In the adjacent figure, BA and BC are produced to meet CD and AD produced in E and F. Then

$\angle AED + \angle CFD$ is ________.

0%
$80^o$
0%
$50^o$
0%
$40^o$
0%
$160^o$

Explanation

$\triangle AED,$

$\angle AED+\angle EAD+90°=180°\\ =>\angle AED+\angle EAD=90°\\ =>\angle EAD=90°-\angle AED........(i)$

Also,

$\\ \angle EAD=50°+\angle AFB.........(ii)$ (exterior angle property)

From

$(i)$ and

$(ii)$ , we have,

$50°+\angle AFB=90°-\angle AED\\ =>\angle AFB+\angle AED=40°\\ =>\angle AED+\angle CFD=40°\quad (\angle AFB=\angle CFD)$ .

Therefore, option

$C$ is correct.

1140774_727629_ans_45ea66f84cc24292bd580e1c1a2e4baf.png

Lines AC and BD intersect at point E. Angle BEC is

$45^o$ . What is the measure of angle AEB?

0%
Angle AEB is $90^o$
0%
Angle AEB is $115^o$
0%
Angle AEB is $135^o$
0%
Angle AEB is $180^o$
0%
Angle AEB is $360^o$

The curve x + y =

$e^x$

$^y$ has a tangent parallel to y-axis at the point

0%
(0, 1)
0%
(1, 0)
0%
(1, 1)
0%
None of these

A reflex angle is ______ a straight angle.

0%
Smaller than
0%
Larger than
0%
Equal to
0%
One-half of

In the given figure, magnitude of angles are ..........

0%
$40^\circ\,,120^\circ$
0%
$30^\circ\,, 90^\circ$
0%
$45^\circ\,,135^\circ$
0%
$50^\circ\,,150^\circ$

Explanation

Given:

we know that angle constructed by a st line is

$180^o$

So,

$x^o+3x^o = 180^o$

$4x^o = 180^o$

$x = 45^o$

Hence

$3x = 45\times 3$

$=135^o$

$\therefore$ option C is correct

2105342_418755_ans_8112602c71564a64877008bfed59496f.png

Write 'True' or 'False'.
An angle smaller than right angle is acute angle

0%
True
0%
False

If two straight lines intersect, the measures of the vertically opposite angles are ..........

0%
Equal
0%
Not equal
0%
Right angle
0%
Can't be deternrined

Which of the following is a pair of complementary angles?

0%
$45^\circ ,50^\circ$
0%
$70^\circ ,20^\circ$
0%
$30^\circ ,90^\circ$
0%
$65^\circ ,15^\circ$

On the basis of the information provided below, answer the following quesiton
P, Q, R, S, T and U are sitting on a circle facing center at equal distances. P is not adjacent to Q and R
-S is not adjacent to R or T
-Q and R are adjacent
-U is in between R and S.
who is placed vertically opposite to T?

0%
Q
0%
R
0%
S
0%
U

A_____angles form by intersecting any two lines are always congruent.

0%
Alternate angles.
0%
Interior angles
0%
Vertically opposite angle
0%
Corresponding angles.

CBSE Questions for Class 9 Maths Lines And Angles Quiz 11 - MCQExams.com

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Practice Class 9 Maths Quiz Questions and Answers

CBSE Questions for Class 9 Maths Lines And Angles Quiz 11 - MCQExams.com

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Practice Class 9 Maths Quiz Questions and Answers

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