hhstoll
hhstoll
12-12-2017
Mathematics
contestada
circumference of a circle if diameter is 18
Respuesta :
matousma
matousma
12-12-2017
Pie r squared
R= half of diameter
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Capsule0Corporation
Capsule0Corporation
12-12-2017
The formula for circumference is 2piR, with R being the radius, which is half of the diameter. If the diameter is 18, the radius if 9 (half of 18).
Thus the formula is 2pi(9), which simplifies to 18pi.
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