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What is the area of the curved surface of a right circular cone of radius 5 and height 12​?

 Dec 3, 2018
 #1
avatar+94545 
0

The area is given by

 

pi * (cone radius) * slant height of cone =

 

pi * 5 * sqrt (5^2 + 12^2) =

 

5 * 13 * pi  =

 

65pi units^2 ≈ 204.2  units^2

 

 

cool cool cool

 Dec 3, 2018
 #2
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 How  can you do a fraction  that is involved in the equation 

 Dec 3, 2018
 #3
avatar+94545 
0

Could you give an example????

 

cool cool cool

CPhill  Dec 3, 2018

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