Question

the volume of a square pyramid is 720 cubic cm and its base edge is 1 cm find height?

Answer 1

let side of square pyramid = a = 1cm
height = h
volume  = a²h/3
⇒ 720 = 1²*h/3
⇒720*3 = h
⇒h = 2160 cm = 21.6 m

Answer 2

V=(1/3)b^2*h 720*3=1*h h=2160cm