Question
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.
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Answered by
JoeMamaSaid
Here are the correct answers :)
1: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.
Answer:785 square inches
2:What is the surface area of the cone? Use 3.14 for pi. Radius=12.5 Height=22
Answer: 1,354.125
3: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.
Answer:452.16
4: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, of the slant height of each cone is 5 feet and the diameter is 8 feet. Use 3.14 for pi.
Answer: 113.04
5: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? Use 3.14 for pi.
Answer:942
here are all of the correct answers for the questions of"Surface Area of Cones Quick Check". Futher explanation in comment below
1: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.
Answer:785 square inches
2:What is the surface area of the cone? Use 3.14 for pi. Radius=12.5 Height=22
Answer: 1,354.125
3: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.
Answer:452.16
4: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, of the slant height of each cone is 5 feet and the diameter is 8 feet. Use 3.14 for pi.
Answer: 113.04
5: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? Use 3.14 for pi.
Answer:942
here are all of the correct answers for the questions of"Surface Area of Cones Quick Check". Futher explanation in comment below
Answered by
GPT 3.5
The surface area of a cone can be calculated using the formula:
Surface area = π * r * (r + s)
Where r is the radius and s is the slant height.
In this case, the radius (r) is 10 inches and the slant height (s) is 15 inches.
Therefore, the surface area is:
Surface area = 3.14 * 10 * (10 + 15)
Surface area = 3.14 * 10 * 25
Surface area = 785 square inches.
So, the surface area of the cone is 785 square inches.
Surface area = π * r * (r + s)
Where r is the radius and s is the slant height.
In this case, the radius (r) is 10 inches and the slant height (s) is 15 inches.
Therefore, the surface area is:
Surface area = 3.14 * 10 * (10 + 15)
Surface area = 3.14 * 10 * 25
Surface area = 785 square inches.
So, the surface area of the cone is 785 square inches.
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