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elena-s [515]
3 years ago
10

Need help please please

Mathematics
2 answers:
Leona [35]3 years ago
5 0

Answer:

176.7 in^{2}

Step-by-step explanation:

The area of a circle is defined as:

A = \pi r^{2}

Where r is the radius and A is the area. We're given the diameter, 15 inches. The radius is half of the diameter, so the radius is therefore 7.5 inches. Now let's take this value back into the formula above:

A = \pi r^{2} =\pi (7.5)^{2} = 56.25\pi = 176.7 in^{2}

So the circle has an area of 176.7 in^{2}

Hope this helps!

alina1380 [7]3 years ago
3 0

Answer:

D or 176.71 inches squared.

Step-by-step explanation:

the radius is 7.5. put it in a calculator and you get D.

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