Name:___________________________ Surface Area Test Review 1. Find the surface area of the prism. Show your answer to the nearest hundredth. 1.2 cm
14 cm
5 cm
2. Find the surface area of the cylinder in terms of π. (Leave π in your answer!) 14 m
11.1 m
3. Find the surface area of the cylinder to the nearest whole number. 6m
8.9 m
4. Find the surface area of the solid. 5 ft
2 ft
2 ft
5. Find the surface area of the cone in terms of π. 12 ft
21 ft
6. Find the surface area of the cone. Round answer to the hundredths. 20 cm
15 cm
7. Find the surface area of a sphere that has a diameter of 14 cm. 8. The classroom, represented in the figure, needs new tile. Find the minimum square feet of tile needed to cover the floor of the classroom. 18 ft 8 ft 15 ft 10 ft 9. A large pizza has a 18-­‐inch diameter and a medium pizza has a 15-­‐inch diameter. To the nearest hundredth, how many more square inches of pizza does a customer get with a large than with a medium? (Note: Use 𝜋 = 3.14) 10. Find the area of the triangle below. 11. Find the area of the figure below. 17 cm 14 cm 9 cm 12 cm 12. Find the area of a regular hexagon with an apothem of 18.5 inches long and a side 22 inches long. Round your answer to the nearest tenth. 13. Find the area of the pentagon below. 14. A spherical hot air balloon has a diameter of 40 feet. What is the approximate outside surface area, in square feet, of this balloon? 15. What is the area of the shape below? Hint: Think about dividing it into 2 shapes. 16.] A roof is shaped like a square pyramid. The base measures 18 feet and the slant height is 15
feet.
What is the surface area of the roof? Careful thinking about the surfaces that you will need to
cover.
One bundle of shingles covers 25 square feet. How many bundles of shingles should you buy to cover
the roof?
17] Spring break is near! Beach-Fun-R-Us is trying to figure out the cost to make inflatable beach
balls. They make beach balls of two different diameters – 16 inches and 12 inches. The plastic used
to make the beach balls is $0.01 per square inch. How much more does it cost to make a larger beach
ball?