Answer to Question #2794 in Geometry for Drew Collier
Its surface is the sum of the area of base and area of its side faces
S = Sbase + Sside
If you know the length& A of the edge in the base, the you can calculate& Sbase
Sbase = n A^2 /4 ctg(/n)
Then you can get& Sside:
Sside =& S - Sbase
Further, let Sface the area ofone sice face.
Sside = n * Sface
Every side face is a isosceles triangle with base A.
Then from its area Sface abd the length A of the base you can calculate all its edges.
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