1. A hotel installs new carrels used for public telephones. The new carrels are half of a cylinder with an open top. How much material is needed to construct a new carrel? A. about 2307 square inches B. about 2573 square inches C. about 2839 square inches D. about 5146 square inches Hint 2. A museum installed twelve interactive exhibits, each of which is half of a cylinder. Each exhibit has a surface area of about 1804 square inches. If one quart of paint covers 5200 square inches, how many quarts of paint need to be purchased to paint the exhibits? A. 4 quarts B. 5 quarts C. 6 quarts D. 3 quarts Hint 3. Find the surface area of a rectangular prism with dimensions of 6 feet by 8 feet by 10 feet. A. 188 ft2 B. 96 ft2 C. 480 ft2 D. 376 ft2 Hint 4. Find the surface area of the cylinder to the hundredths. A. 8,246.68 ft2 B. 15,943.58 ft2 C. 4,123.34 ft2 D. 12,095.13 ft2 Hint 5. What is the surface area of a cylinder with a radius of 2 meters and a height of 700 centimeters? A. about 113.1 m2 B. about 4,404.5 m2 C. about 8,821.6 m2 D. about 50.3 m2 Hint