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#### Geometry Important Questions

7th Standard EM

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 50
6 x 1 = 6

(a)

no common interior, no common arm, no common vertex

(b)

one common vertex, one common arm, common interior

(c)

one common arm, one common vertex, no common interior

(d)

one common arm, no common vertex, no common interior

2. Vertically opposite angles are

(a)

not equal in measure

(b)

complementary

(c)

supplementary

(d)

equal in measure

3. The measure of $\angle$BOC is

(a)

90°

(b)

180°

(c)

80°

(d)

100°

4. A line which intersects two or more lines in different points is known as

(a)

parallel lines

(b)

transversal

(c)

non-parallel lines

(d)

intersecting line

5. Which of the following statements is ALWAYS TRUE when parallel lines are cut by a transversal

(a)

corresponding angles supplementary.

(b)

alternate interior angles supplementary.

(c)

alternate exterior angles supplementary.

(d)

interior angles on the same side of the transversal are supplementary.

6. In the diagram, what is the value of angle x?

(a)

43°

(b)

44°

(c)

132°

(d)

134°

7. 11 x 2 = 22
8. Name the pairs of adjacent angles.

9. Find the angle $\angle$GEH from the given figure.

10. If the three angles at a point are in the ratio 1 : 4 : 7, find the value of each angle?

11. The angles at a point are x°, 2x°, 3x°, 4x° and 5x°. Find the value of the largest angle?

12. Find the angles x° and y° in the figure shown.

13. Mention two real-life situations where we use parallel lines.

14. In the given figure, find the value of x.

15. Two angles are in the ratio 11: 25. If they are linear pair, find the angles.

16. Find the value of y.

17. Two parallel lines are cut by a transversal. For each pair of interior angles on the same side of the transversal, if one angle exceeds the twice of the other angle by 48°. Find the angles.

18. Can two adjacent angles be supplementary?

19. 4 x 3 = 12
20. In Fig. 5.5, fi nd $\angle$AOC.

21. Find the missing angle.

22. find the measure of ∠ROS.

23. Construct a perpendicular bisector of the line segment AB = 6 cm.

24. 2 x 5 = 10
25. (i) Name the angle that corresponds to $\angle$1.
(ii) Name the angle that is alternate interior to $\angle$3.
(iii) Name the angle that is alternate exterior to $\angle$8.
(iv) Name the angle that corresponds to $\angle$8.
(v) Name the angle that is alternate exterior to $\angle$7.
(vi) Name the angle that is alternate interior to $\angle$6.

26. Construct bisector of the ∠ABC with the measure 80°.