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Really need help Pls
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Really need help Pls

Really need help Pls-example-1
User Makeiteasy
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7.5k points

1 Answer

8 votes

Answer:

20.57 cm

Explanation:

Circumference of half circle = diameter + half of circumference


= 8 +(2\pi r)/(2)\\\\\\= 8 + \pi r\\\\= 8 + 3.142 * 4\\\\= 8 + 12.568\\\\= 20.568\\\\= 20.57 \ cm

User Dana Gray
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7.3k points
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