11. cone: radius 9 feet, slant height 22 feet
12. cone: diameter 26 centimeters, slant height 15 centimeters
13. A wooden structure at a miniature golf course is a square pyramid whose base is 5 feet on
each side. The slant height is 4.75 feet. Find the lateral area to be painted. -
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14. A cone-shaped icicle on a gingerbread house will be dipped in frosting. The icicle is
1 centimeter in diameter and the slant height is 7 centimeters. What is its total surface area?
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15. The Great Pyramid in Egypt was built for the Pharaoh Khufu. The base of each side is
230 meters. The height from the base along the face to the top is 187 meters. Find the
total surface area.