GEOMETRY I

1. 1. Calculate the length of a right triangle whose legs measure 9 and and 12 cm.

2. 2. Calculate the perimeter of a right triangle whose legs measure 9 and and 12 cm.

3. 3. Calculate the area of a right triangle whose legs measure 9 and and 12 cm.

4. 4. Calculate the area of a square whose side is 3 m long.

5. 5. Calculate the perimeter of a square whose side is 3 m long.

6. 6. . Calculate the area of a rectangle whose sides are 5 metres and 6 metres long.

7. 7. Calculate the area of a right trapezium whose bases are 10 m. and 7 m. long, and whose legs are 5 m. long.

8. 8. Calculate the area of a regular octagon whose side is 14 m. long and its apothem is 17 m. long

9. 9. Calculate the area of a rhombus whose diagonal is 24 m. and its side is 15 m long.

10. 10. Calculate the area of a circle with a 3 m. radius. Round the result to the nearest tenth.