abbyg628
abbyg628
14-05-2017
Mathematics
contestada
I need help with number 6.
Respuesta :
Аноним
Аноним
14-05-2017
Circumference of a circle = 2πr
r being the radius
2πr = 4π
so r = 2
Surface area of a sphere = 4πr^2
Just plug 2 in for r and solve.
SA = 16π = 50.27
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