Answer:
Area is 81 mm^2
Step-by-step explanation:
A square has 4 equal sides.
let x be a side. so 4x=36
x =9
to find the area, multiply 9*9
=81
Answer:
81 mm^2.
Step-by-step explanation:
A square has 4 equal sides so each side = 36/4 = 9 millmeters long.
The area = 9^2
= 81 mm^2.
