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miss Akunina [59]
3 years ago
14

The area of a circle is 1256 square inches what is the length of its radius

Mathematics
1 answer:
Otrada [13]3 years ago
6 0
The formula of the area of a circle is : A= \pi R^2

You know that the area is 1256.

So : 1256= \pi R^2

Divide both sides by \pi :

\frac{1256}{\pi}=R^2

<span> take the square root of both sides in order to obtain r :

</span>\sqrt{ \frac{1256}{ \pi }}=R
20=R
<span>
In short, the answer would be 20 (i have rounded).

Hope this helps !

Photon
</span>

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Now that you have y, plug it into the second equation and solve for x.

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\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ;  \frac{1}{3} * \frac{8}{8} = \frac{8}{24}

\frac{9}{24} + \frac{8}{24} = \frac{17}{24}  <--True

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Answer:
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