Class 5 Maths Shapes And Angles | Important Questions

IMPORTANT QUESTIONS FOR CBSE EXAMINATION | CLASS 5 MATHEMATICS
SHAPES AND ANGLES – Lesson 2

Fill in the blanks (1 mark):

1. Angle made by two right angles is a———————-

2. The measure of a straight angle is ——————

3. Half of a right angle is ——————-

4. One-third of a right angle is —————-

5. Sum of the angles of any triangle is —————-

6. When two lines meet each other ———– angles are formed.

7. Angle indicated in the clock time 3’O Clock is —————–

8. An angle whose measure is less than 90 degree is known as —————–

9. An angle whose measure is greater than 90 degree is known as ————–

10. An angle whose measure is 90 degree is known as —————–

Answer the following (2 marks):

11. The sum of 2 angles in a triangle is 100 degree. What is the measure of the third angle?

12. Write the name of the angle formed when the clock time is
a) 7.15pm
b) 9’ O Clock
c) 11’ O Clock

13. Classify the following angles as acute, obtuse and right angle.

a) 120
b) 50
c) 90
d)30
e) 150
f) 2 x 45

14. What is the measure of the angle formed by the hands of the clock at

a) 1’ O Clock
b) 2’ O Clock
c) 3’ O Clock

15. Write five English alphabets where you see a right angle

ANSWERS:

1. Straight angle
2. 180 degree
3. 45 degree
4. 30 degree
5. 180 degree
6. Four
7. Right angle
8. Acute angle
9. Obtuse angle
10. Right angle
11. Sum of 2 angles = 100 degree
Measure of third angle = 180 – 100 = 80 degree
12. a) Obtuse angle
b) Right angle
c) Acute angle
13. a) 120 – Obtuse angle
b) 50 – Acute angle
c) 90 – Right angle
d) 30 – Acute angle
e) 150 – Obtuse angle
f) 2 x 45 – Right angle
14. a) 30 degree
b) 60 degree
c) 90 degree
15. E, F, H, L, T