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Ganezh [65]
3 years ago
10

The radius of a semicircle is 3 centimeters. What is the semicircle's area?

Mathematics
1 answer:
topjm [15]3 years ago
6 0

Answer:

A = \frac{9}{2} \pi\ cm^{2}

Step-by-step explanation:

Area of a full circle is r^{2} \pi.

Area of a semicircle is exactly half of it: \frac{1}{2} r^{2} \pi.

A = \frac{1}{2} 3^{2} \pi = \frac{9}{2} \pi = 14.137\ cm^{2}

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