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Composite shapes are more complicated than the ones that we have been considering so far.

They are the result of combining shapes, either by adding parts or taking parts away.

We calculate the perimeter of composite shapes by splitting them into simpler pieces and then calculating the perimeter of those simpler pieces.

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Question 1/5

1. The radius of the semicircle is 6. The perimeter is

12 + 4

36 + 12

18 + 6

24 + 8


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