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You need to know the formula for finding the area of a rectangle:


Area of a rectangle = length × breadth

                               OR base × height

 

Example

Find the shaded area of the following shape.

 

Solution

Area of large square = 13 × 13 = 169 units2


Area of small square = 5 × 5 = 25 units2


Shaded area = 169 − 25 = 144 units2

 

On to the questions!

10 questions