Compound Shapes

Perimeter and Area of Class 7

There are different Ways for finding the Perimeter of this shape:

compound shape

Let’s find the perimeter. There is only one side length that is missing which can be found by subtracting the two 3m lengths from the total height of 12m:

12 – 3 – 3 = 6m

All you need to do now is add up all of the side lengths:

12 + 3 + 7 + 6 + 10 + 3 + 15 + 12 = 68m

Further Reading : 

1. Questions on Perimeter and Area

2. Mind Map

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