The circular base of a cone has a radius of 5 centimeters. The height of the cone is 12 centimeters, and the slant height is 13 centimeters. What is the approximate surface area of the cone? Use 3.14 for π and round to the nearest whole number. 267 cm2 283 cm2 456 cm2 487 cm2
1 answer:
Answer:
283 cm^2
Step-by-step explanation:
Solution:-
We have a cone with a circular base of radius r = 5 cm
The height of the cone is h = 12 cm
The slant height of the cone is L = 13 cm
We are to determine the surface area of the cone. The surface area of the cone is comprised of two parts:
Base Area : Circle
Curved Surface: conical
The total surface area of the cone can be written as ( A ):
Answer: The surface area of the cone to nearest whole number would be 283 cm^2
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You multiply all of them together and then dived by 100 and that's your answer
Midpoint Formula: Plug the coordinates into the midpoint formula and solve as such:
<u>Your midpoint is (5,-1).</u>
Divide then multiply by 100:
280 / 3500 = 0.08
0.08 x 100 = 8%
Answer: 8%