gabyperez
gabyperez
13-02-2018
Mathematics
contestada
I need help with this geometry question
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tynollette
tynollette
13-02-2018
if the circumference is 30π, we know diameter d=30, radius r=15
the whole circle measures 2π radian, (4/15)π out of 2π is 2/15
the area of the sector is 2/15 of πr²=(2/15)*15*15π=
30π
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