CBSE Class 7 Maths Lines and Angles Quiz 4

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CBSE / Class 7 / Maths / Lines and Angles

1.

In the following figure, two straight lines AB and CD are intersecting each other at the point 0 and the angles thus formed at 0 are marked, then the value of ∠x - ∠y is
56°
118°
62°
180°

2.

In the following figure, tell which pair of angles are not corresponding angles?
∠1, ∠5
∠2, ∠6
∠3, ∠7
∠3, ∠5

3.

See the figure of Q. 32 above. Which pair of angles are alternate interior angles?
∠1, ∠5
∠2, ∠6
∠3, ∠7
∠3, ∠5

4.

In the following figure, a transversal cuts two parallel lines l and m at points G and H respectively and the angles thus formed are marked. If ∠1 is an acute angle, then, which of the following statements is false?
∠1 + ∠2 = 180°
∠2 + ∠5 = 180°
∠3 + ∠8 = 180°
∠2 + ∠6 = 180°

5.

In the following figure, a transversal c intersects two parallel lines a and b at A and B respectively and the angles formed at A and B are marked. Tell which of the following pairs of angles need not be equal?
∠1, ∠2
∠1, ∠3
∠1, ∠5
∠2, ∠8

6.

Which of the following pairs of angles are not adjacent angles?
A
B
C
D

7.

Find the measure of the angle which is double of its complementary angle?
60°
30°
45°
120°

8.

Find the measure of the angle which is half of its supplementary angle?
60°
120°
90°
45°

9.

In the following figure, if ∠1 + ∠3 = 120°, then ∠2 + ∠4 is equal to
60°
120°
240°
80°

10.

In the following figure, if ∠1 + ∠2 = 100°, then the measure of ∠4 is equal to
50°
100°
80°
130°

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