Question

A square has a side length 9cm. What is its area in square centimeters? A square has a side length 9cm2. What is its area in square centimeters?

Answer 1

Explanation:

A.

Given parameter:

Side length = 9cm

Unknown;

Area of the square = ?

Solution:

The shape given is a square.

Area of a square = L²

L is the side length

Insert the parameters and solve;

Area of the square = 9² = 81cm²

B.

Given parameters:

Area of the square = 9cm²

Unknown:

Side length = ?

Solution:

The shape is a square;

Area of a square = L²

9 = L²

L = √9 = 3cm