1. What is the sum of any three angles of a rectangle?
2. Find the perimeter of a square whose area is equal to 64 square cms.
3. Angles of a triangle are in the ratio 1 : 2 : 3. What is the measurement of the smallest angle?
4. Two angles of a triangle are 50° and 80°. Find the measure of the third angle.
5. What is the complementary angle of 30°?
6. The length of a rectangle is twice its breadth. If its perimeter is 18 cms. Find its breadth.
7. Find the supplementary angle of 120°.
8. Three angles of a quadrilateral measure 30°, 120° and 60°. Find the measure of the fourth angle.
9. Find the complementary angle of 62°.
10. What is the sum of any two angles of an equilateral triangle?
Answers:
1. 270°
2. 32 cms
3. 30°
4. 50°
5. 60°
6. 3 cms
7. 60°
8. 150°
9. 28°
10. 120°
