Ava45018
Ava45018
05-05-2018
Mathematics
contestada
how do u do number 18? helppppppp
Respuesta :
budwilkins
budwilkins
05-05-2018
360° (a circle) = 2pi radians, so 720×2pi/360
= 2×2pi = 4pi
4pi = a*pi
a = 4
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