Question

A square patio has an area of 121 square yards. what is the length of this patio?

Answer 1

A = a²
121 = a²
√121 = a
11 = a

Answer 2

Formula for Area of a Square:

A = a^2

Plug in what we know:

121 = a^2

To solve for 'a', we have to find the square root of both sides:

a = 11