Asked by Curiosity

The slant height is 22 and the diameter is 25. What is the surface area of the cone? Use 3.14 for pi.

A) 863. 5 square centimeters

B) 1, 354.125 square centimeters

C) 2, 383.26 square centimeters

D) 3,689.5 sqaure centimeters
Answered by Curiosity
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 pi.

A) 339.12 square centimeters

B) 452.17 square centimeters

C) 197.82 square centimeters

D) 1,356.48 square centimeters
Answered by Curiosity
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 pi.
A) 339.12 square centimeters

B) 452.16 square centimeters

C) 197.82 square centimeters

D) 1,356.48 square centimeters

Answered by Curiosity
A designer is creating a model 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 start height of each cone is 5 feet and the diameter is 8 feet. Use 3.14 pi.

A) 113.04 square feet

B) 653.12 square feet

C) 226.08 square feet

D) 326.56 square feet
Answered by Curiosity
A cone-shaped megaphone has a radius of 15 centimeters and a slant height of 20 centimeters. A megaphone has an open bottom. What is the lateral surface area of the megaphone, in square centimeters?

A) 10.9 square centimeters

B) 1, 884 square centimeters

C) 942 square centimeters

D) 1, 648.5 square centimeters
Answered by Curiosity
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