The base of a right pyramid is a rectangle of dimensions 36cm and 24cm.If the slant height of the pyramid is 25cm then its total surface area is

Question

Mensuration

 

Answer 1

SA = lw  + 2(1/2 bh) + 2( 1/2 bh)

SA = 36(24) + 2(1/2)(36)(25) + 2(1/2)(24)(25)

SA = 864 + 900 + 600

SA = 2364 cm²