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5 July, 21:48

A half circle is joined to an equilateral triangle with side lengths of 12 units. what is the perimeter of the resulting shape?

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  1. 5 July, 23:42
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    The perimeter of the half circle is pi * r. Since the circle is linked to the equilateral triangle, then the diameter of the circle is 12. Therefore r = 6. Then, the perimeter of the resulting figure is:P = 6 * pi + 12 + 12 = 42.85 Units.
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