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OpenStudy (anonymous):
The perimeter of a regular octagon is 96 cm and the side of a congruent regular octagon is 5x - 8 cm. Find the value of x.
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jimthompson5910 (jim_thompson5910):
how many sides does an octagon have
OpenStudy (anonymous):
8
jimthompson5910 (jim_thompson5910):
so if the perimeter is 96, then the side length must be 96/8 = 12
jimthompson5910 (jim_thompson5910):
so 5x - 8 = 12 solve for x
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