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An arc of a circle measures 80 degrees and the length of 88pie cm. what is the diameter?
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Aug 23, 2015
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An arc of a circle measures 80 degrees and the length of 88pie cm. what is the diameter?
Mathematics
high-school
Andrea Catania
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Andrea Catania
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If 80° ------> 88π cm
Then 360° ------> x cm
So:
x = (88π x 360) ÷ 80
x = 396 π (lenght of the circle)
The relationship of Lenght of circle and its diameter is:
L = d .π
replacing L:
396 π = d.π ---->
d = 396 cm <---- here is your answer
Khantahr
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Aug 29, 2015
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Khantahr
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