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OpenStudy (anonymous):
Solve for π; C = 2πr. a. π = 2C over r b. π = C over 2r c. π = C over r d. π = rC over 2
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jimthompson5910 (jim_thompson5910):
think of 2πr as π*(2r). I just rearranged terms
jimthompson5910 (jim_thompson5910):
how do we move that 2r over?
OpenStudy (anonymous):
i don't know.
jimthompson5910 (jim_thompson5910):
well we have pi times (2r) what operation is the opposite of multiplication?
OpenStudy (anonymous):
divide
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