jaylen18
jaylen18
21-04-2017
Mathematics
contestada
Radius of a circle with area of 90cm^2
Respuesta :
schsam01
schsam01
21-04-2017
Area of circle = πr²
Solve for r:
90=πr²
90/π=r²
28.65=r²
5.35=r
radius = 5.35cm
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