Known :
Area = 64 cm²
Asked :
Perimeter = ...?
Answer :
Find the side :
A = s²
64 = s²
s = √64
s = 8 cm
Find the perimeter :
P = 4 × s
= 4 × 8
= 32 cm
So, the perimeter is 32 cm
Hope it helpful and useful :)
