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OpenStudy (matlee):
Algebra Help
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OpenStudy (matlee):
OpenStudy (anthonyym):
To find the perimeter (circumference) of a circle, the formula is C = 2*pi*r, where r is radius.
OpenStudy (welshfella):
the 2 semicircles make one circle so we have the 2 lengths of the rectangle + perimeter of circle 2 * 91 + 3.14 * 55
OpenStudy (welshfella):
perimeter of circle = pi*d
OpenStudy (matlee):
but 55 is the diameter do we still multiply it by pi?
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OpenStudy (calculusxy):
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