gabyperez
gabyperez gabyperez
  • 13-02-2018
  • Mathematics
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I need help with this geometry question

I need help with this geometry question class=

Respuesta :

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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