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garik1379 [7]
4 years ago
7

How would I solve for this radius?

Mathematics
1 answer:
Daniel [21]4 years ago
8 0
The radius of a circleis part of the circumference formula: C = 2 pi r.
So we rearrange the formula: r = c/2 pi.
Now we have to figure out the circumference. If the outside of the circle is 12 cm for 17degrees, then17 degrees x what is 360 degrees? 360 divided by 17 is 21.2. So the 12 cm should be multiplied by 21.2, to give 254.1cm. This is our circumference.
Now we do r = 254/2 pi.
                   r = 40.46cm.
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