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Monica [59]
3 years ago
11

C=2πr solve for r what is the answer for this question and how do you do it

Mathematics
2 answers:
Ymorist [56]3 years ago
8 0
You said                               C           = 2 π r

Divide each side by  2 :      C / 2      =    π r

Divide each side by pi :       C / 2π  =       r
Zinaida [17]3 years ago
4 0
Just divide 2pie on both sides so your equation would be C/2pie=r
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Therefore, the angle 9x and 7x + 4 are supplementary.

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Now that we know the base of the triangle, we can plug its value in to the original formula to solve for the height of the triangle, which gives us the following equation:

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