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Fed [463]
3 years ago
14

Find the area of a circle with a circumference of 31.4 units. help me please

Mathematics
1 answer:
hram777 [196]3 years ago
4 0

Answer:

Area = 78.5

Step-by-step explanation:

31.4 = 2 x pi X r

r = 31.4/(2xpi) = 31.4(2 x 3.14) = 5

Area = pi x r^2 = 3.14 X 5^2 =3.14 x 25 =  78.5 units^2

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2 years ago
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____________________________________________________________

If ur teacher wants you to use 3.14 as pi then these are your answers:

Area of Pool cover: 346.185, round up to 346.19 if needed

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3 years ago
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1).B

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