Cecelol
Cecelol
13-02-2018
Mathematics
contestada
I NEED HELP Please ☺️☺️☺️☺️☺️
Respuesta :
manandhanteja
manandhanteja
13-02-2018
C = 2×pi×r
72 = 2×pi×r
so r = 36/pi
DE = 30deg×36/pi
DE = (pi/6)×(36/pi) = 6cm
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