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

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Presentation transcript:

Pre-Algebra Unit 9 Review

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

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

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

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

Unit 9 Review 3) Find the volume. 16 cm

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

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

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

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

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

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

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

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 cm

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 cm

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 cm

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