Answer:
Step-by-step 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
