To calculate the surface area of cone.
Answer to Problem 11E
Explanation of Solution
Given Information: Cone Diameter d = 12 ft., Slant Height l = 28 ft. and
Formula Used:
Surface area of Cone =
Calculation:
Surface area of Cone =
Diameter d = 12 ft., Slant Height l = 28 ft. and
First find Radius r.
Hence,
Radius =
Put the value of diameter to find radius of Cone
Radius =
So,
Radius r = 6 ft.
Now put the value of r, s and
Surface area of Cone =
So,
Surface area of Cone =
So,
Surface area of Cone =
Hence,
Surface area of Cone =
Nearest Surface area of Cone =
Chapter 10 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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