math161
math161
15-09-2015
Mathematics
contestada
What is the diameter of the circle with 49 pi
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TSO
TSO
15-09-2015
[tex] Area = \pi r^2\\ 49\pi = \pi r^2\\49=r^2\\ r=7\\\\ Diameter = 14[/tex] Remember, diameter = 2 x radius
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