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Please answer with clear instructions so that i can apply this to other questions

Please answer with clear instructions so that i can apply this to other questions-example-1

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3 votes

Answer:

30 cm

Explanation:

The perimeter of a circle is 2
\pir where r is the radius. Therefore, the perimeter of the semicircle would be
\pir + the diameter (because there is only half of the circle's arc). Using the value
\pi = 3 and d (diameter) = 12, the area of the circle would be 3(6) + 12 which is 18 + 12 which is 30 cm.

Hope this helps :)

User Zihaozhihao
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