Asked by robertツ💎

What is the surface area, in square inches, of a cone with a radius of 10 inches and a slant height of 15 inches? Use 3.14 for pi.(1 point)
Responses

2,198 square inches
2,198 square inches

471 square inches
471 square inches

1,177.5 square inches
1,177.5 square inches

785 square inches
Answered by robertツ💎
A spyglass in the shape of a cone has a slant height of 18 centimeters and a radius of 6 centimeters. What is the surface area of the spyglass? Use 3.14 for pi.(1 point)
Responses

197.82 square centimeters
197.82 square centimeters

452.16 square centimeters
452.16 square centimeters

339.12 square centimeters
339.12 square centimeters

1,356.48 square centimeters
Answered by robertツ💎
A designer is creating a modern art sculpture of an hourglass out of steel, to be on display at the town library. The hourglass is made by two cones meeting at the top point. The designer wants to know how many square feet of steel is needed for the outside of the sculpture, if the slant height of each cone is 5 feet and the diameter is 8 feet. Use 3.14 for pi.(1 point)
Responses

226.08 square feet
226.08 square feet

113.04 square feet
113.04 square feet

653.12 square feet
653.12 square feet

326.56 square feet
Answered by robertツ💎
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