**Surface Area Of A Pentagonal Pyramid**. So, the triangle, rectangle, and square can be the base of a pyramid. The lateral surface area of a pentagonal pyramid is, lateral surface area (lsa) = (½) pl = (½ ) × (50) × 15 = 375 sq.

Surface area of a pentagonal pyramid = 5/2 × b (a + s). Surface area of pyramid formulas triangular pyramid. The full isosceles pentagonal pyramid itself has hypervolumes of.