The area of one wall 40m².
A square is a quadrilateral with four equal sides. It has two diagonals that bisect each other at 90°.
Area of a square = length²
Length of a side of the floor = √64 = 8 m
What is the area of the wall?
Area of a wall = length x width
8 x 5 = 40m²
To learn how to determine the length of a square given its area, please check: https://brainly.com/question/9030544
