Question

question 20 of 25
what is the area of a square with sides of length 9?
a. 18 square units
b. 36 square units
c. 54 square units
d. 81 square units

Explanation:

Step1: Recall area formula

The area formula for a square is $A = s^2$, where $s$ is the side - length.

Step2: Substitute side - length value

Given $s = 9$, then $A=9^2$.

Step3: Calculate the result

$9^2=9\times9 = 81$ square units.

Answer:

D. 81 square units