Problema Solution
The volume ofa pyramid with a square is 168.75 cubic meters. Its altitude is 9 meters. Find the perimeter of its base.
Answer provided by our tutors
V= 168.75
1/3 *area of base*height= 168.75
so, 1/3 * area* 9 = 168.75
3*area= 168.75
area= 168.75/3 = 56.25
so, side= 7.5
perimeter= 4*side= 4* 7.5= 30 meters.
this is the answer.