Asked by Angelita Marie
Find the radius of a right cone with slant height 21 m and surface area 168pi m2
Answers
Answered by
drwls
Does that surface area include the base?
The area of the conical portion is
A = pi* R * (slant height)
You can use that formula to solve for the radius, R
See http://www.uwm.edu/~ericskey/TANOTES/Geometry/node15.html
The area of the conical portion is
A = pi* R * (slant height)
You can use that formula to solve for the radius, R
See http://www.uwm.edu/~ericskey/TANOTES/Geometry/node15.html
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