Question

Find the length of the side of a square whose area is 441 meter.

Answer 1

Answer:

Step-by-step explanation:

Let length of side be x.

Area of Square = Side * Side = x * x = x².

Given, Area of Square = 441 m².

=> x² = 441

=> x = √441

=> x = ±21 m.

i.e. x = + 21 or -21

Since length cannot be negative, x = 21 m .

Thus length of side of square = 21 m.