Answer:
P = (S - 2B)/h
20 m
Explanation:
Given the equation for the surface area:
S = Ph + 2B
A.
Solving for P
S = Ph + 2B
Ph = S - 2B
P = (S - 2B)/h
B.
h = 4 m, S = 96 m², B = 8 m², P = ?
P = (96 - 2*8)/4 = (96 - 16)/4 = 80/4 = 20 m
hope this helps
;)