Question

What is the area of a square with sides of length 9?

A) 18 square units
B) 54 square units
C) 36 square units
D) 81 square units

Answer 1

9^2 = 81 --> D) 81 square units

Answer 2

A = 81 units^2

Explanation:

A square has the same length as width, which we will call s.

.A = l*w

A = s*s

A = s^2

A = 9^2

A = 81 units^2