Find the volume of a right pyramid if the base is a regular pentagon such that its side length is 16ft and the perpendicular distance from its center to one of its sides is 11 ft. The height of the pyramid is 19.2ft.

Question

anonymous · Answer

area of pentagon = 5 * area of triangle = 5 * 11*8  =   440 sq ft
volume of the pyramid = 1/3 * height  * area of base
  =   1/3 * 19.2 * 440
  =   2816 cu ft

anonymous · Answer

is it (5/6)*16*11*19.2 = 2816 cu. ft

anonymous · Answer

yes

anonymous · Answer

Thanks Sheg and jimmyrep!