Find the number of skins needed to cover a teepee 10 feet in diameter and 12 feet high if each skin covers 15 square feet

Question

anonymous · Answer

You find the number of skins needed to cover a teepee 10 feet in diameter and 12 feet high if each skin covers 15 square feet by finding the surface area of the object using the formula Surface area=perimeter of the base*height. 
~ Hope this helped :D

anonymous · Answer

SA =  cl
SA =  (10π)*12
SA = 120π
120π/15 = about 25.132741228718345907701147066236, so you need 26 skins.