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OpenStudy (anonymous):
The semicircles are congruent to one another with a diameter of 8 inches. What is the perimeter of the sign?
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OpenStudy (anonymous):
OpenStudy (diyadiya):
Perimeter of a semicircle is pi*radius
OpenStudy (experimentx):
6*pi*4 + 60
OpenStudy (kymber):
Okay so perimeter of a circle is 2pir and we have six half circles so I multiplied it by six and divided it in two. Then we add the edges which were both 30. :D |dw:1333478175261:dw|
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