QueenKe
QueenKe
26-02-2017
Mathematics
contestada
A circle has area of 361pi cm2 what is the radius
Respuesta :
wolf1728
wolf1728
26-02-2017
Circle Area = PI * radius^2
If you know the area then
radius = square root (Area / PI)
radius = square root (361 / PI)
radius = square root (114.91)
radius =
10.7
2
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