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12-2 Surface Areas of Prisms and Cylinders 1. Find the lateral area of the prism. SOLUTION: Find the lateral area and surface area of each prism. 3. SOLUTION: The base of the prism is a right triangle with the legs 8 ft and 6 ft long. Use the Pythagorean Theorem to find the length of the hypotenuse of the base. Find the lateral and surface area. eSolutions Manual - Powered by Cognero Find the lateral area and surface area of each cylinder. Round to the nearest tenth. Page 1 12-2 Surface Areas of Prisms and Cylinders Find the lateral area and surface area of each prism. 3. SOLUTION: The base of the prism is a right triangle with the legs 8 ft and 6 ft long. Use the Pythagorean Theorem to find the length of the hypotenuse of the base. Find the lateral and surface area. Find the lateral area and surface area of each cylinder. Round to the nearest tenth. 5. SOLUTION: eSolutions Manual - Powered by Cognero Page 2 12-2 Surface Areas of Prisms and Cylinders Find the lateral area and surface area of each cylinder. Round to the nearest tenth. 5. SOLUTION: 7. FOOD The can of soup has a surface area of 286.3 square centimeters. What is the height of the can? Round to the nearest tenth. SOLUTION: The surface area is the sum of the areas of the bases and the lateral surface area. Solve for the height. Find the lateral area and surface area of each prism. Round to the nearest tenth if necessary. 9. SOLUTION: Find the length of the third side of the triangle. Manual - Powered by Cognero eSolutions Page 3 12-2 Surface Areas of Prisms and Cylinders Find the lateral area and surface area of each prism. Round to the nearest tenth if necessary. 9. SOLUTION: Find the length of the third side of the triangle. Now find the lateral and surface area. 11. SOLUTION: eSolutions Manual - Powered by Cognero Page 4 12-2 Surface Areas of Prisms and Cylinders 11. SOLUTION: 13. SOLUTION: 15. rectangular prism: = 25 centimeters, w = 18 centimeters, h = 12 centimeters SOLUTION: Since the base was not specified, it can be any 2 of the 3 dimensions of the prism. Base 1: eSolutions Manual - Powered by Cognero Page 5 12-2 Surface Areas of Prisms and Cylinders 15. rectangular prism: = 25 centimeters, w = 18 centimeters, h = 12 centimeters SOLUTION: Since the base was not specified, it can be any 2 of the 3 dimensions of the prism. Base 1: Base 2: Base 3: Note that the surface area of the solid is the same for any of the above three bases. eSolutions Manual - Powered by Cognero Page 6