Grade 9 Geometry worksheet

What is on the worksheet

1. Find the volume of a cuboid measuring 6 cm × 23 cm × 17 cm, in cm³.

2. A circle has radius 46 cm. Its area is kπ cm². Find k.

3. A shape has area 70 cm². All lengths are multiplied by 6. Find the new area in cm².

4. Find the interior-angle sum, in degrees, of a simple 4-sided polygon.

5. A shape has area 11 cm². All lengths are multiplied by 8. Find the new area in cm².

6. Find the volume of a cuboid measuring 13 cm × 25 cm × 13 cm, in cm³.

7. A shape has area 58 cm². All lengths are multiplied by 3. Find the new area in cm².

8. A shape has area 48 cm². All lengths are multiplied by 2. Find the new area in cm².

9. Find the interior-angle sum, in degrees, of a simple 17-sided polygon.

10. A cylinder has radius 3 cm and height 16 cm. Its volume is kπ cm³. Find k.

11. A circle has radius 48 cm. Its area is kπ cm². Find k.

12. A shape has area 54 cm². All lengths are multiplied by 6. Find the new area in cm².

13. Find the volume of a cuboid measuring 8 cm × 18 cm × 4 cm, in cm³.

14. A trapezoid has parallel sides 13 cm and 8 cm and height 16 cm. Find its area in cm².

15. A cylinder has radius 7 cm and height 12 cm. Its volume is kπ cm³. Find k.

16. A cone has radius 20 cm and height 12 cm. Use π = 3.14. Find its volume in cm³.

17. A cylinder has radius 19 cm and height 19 cm. Its volume is kπ cm³. Find k.

18. A shape has area 80 cm². All lengths are multiplied by 4. Find the new area in cm².

19. A right triangle has legs 120 cm and 288 cm. Find the hypotenuse in cm.

20. Find the volume of a cuboid measuring 24 cm × 16 cm × 9 cm, in cm³.