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Mathematics 10 Online
OpenStudy (anonymous):

A rectangle has a semicircle mounted along each width. If the width of the rectangle is 5 in. and the length is 10 in., the perimeter of the entire figure is _____ in.

OpenStudy (ganpat):

|dw:1343068986205:dw| SO you have 4 semicircles... with dia of 5 at widt and 10 at length.. So Perimeter is again sum of all sides. = 2 (pi * r at length) + 2 (pi * r at width) P = 2 ( 22/7 * 5) + 2 (22/7 * 5/2) P = 31.42 + 15.71 = 47.13 in.. is that right ?

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