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agasfer [191]
4 years ago
11

The area of a circle is 31.4 cm^2 what’s the radius

Mathematics
2 answers:
Afina-wow [57]4 years ago
8 0
Well you only have to use a formula. if they gave you the radius you only have to use the formula of the area of a circle which is A=<span>πr^2


</span>

34kurt4 years ago
7 0
R=square root of 10 is the answer
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Answer:

\frac{5}{3}\pi\ radians

Step-by-step explanation:

we know that

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then

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so

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Remember that

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slega [8]
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