1. Pre-Algebra Unit 9 Review

2. Unit 9 Review 1) Find the surface area. 2 cm 4 cm

3. 1) Find the surface area. Unit 9 Review Answer SA = 50.24 cm 2 2 cm 4 cm C =  d = 3.14(4) = 12.56 A rect = 2(12.56) = 25.12 cm 2 A circle =  r 2 = 3.14(2)(2) = 12.56 cm 2 A circle = 12.56 cm 2

4. Unit 9 Review 2) Find the surface area. 16 cm

5. 2) Find the surface area. Unit 9 Review Answer SA = 4  r 2 = 803.84 cm 2 16 cm

6. Unit 9 Review 3) Find the volume. 16 cm

7. 3) Find the volume. Unit 9 Review Answer 16 cm

8. Unit 9 Review 4) Find the volume. 2 cm 4 cm

9. 4) Find the volume. Unit 9 Review Answer V = 25.12 cm 3 2 cm 4 cm A circle =  r 2 = 3.14(2)(2) = 12.56 cm 2

10. Unit 9 Review 5) Find the surface area and volume. 5 ft 10 ft 9.7 ft

11. 5) Find the surface area and volume. Unit 9 Review Answer V = 75 ft 3 5 ft 10 ft 9.7 ft 5 ft 10 ft 25 ft 2 SA = 125 ft 2

12. 6) Find the surface area and volume. Unit 9 Review 9 in 12.8 in 12 in

13. 6) Find the surface area and volume. Unit 9 Review Answer 9 in 12.8 in 12 in

14. 7)Your company makes snow globes. One model has a conical tree inside. How much water would it take to fill each globe? Unit 9 Review 24 cm 20 10 cm

15. 7)Your company makes snow globes. One model has a conical tree inside. How much water would it take to fill each globe? Unit 9 Review Answer 24 cm 20 10 cm

16. Unit 9 Review 8) If this ice cream cone looks like a hemisphere placed on top of a cone, what is the volume and surface area? 8 cm 4.5 10 cm

17. 8) Unit 9 Review Answer V = 360.36 cm 3 SA = 268.47 cm 2 8 cm 4.5 10 cm If this ice cream cone looks like a hemisphere placed on top of a cone, what is the volume and surface area?