millerains5 millerains5

08-05-2017
Mathematics

contestada

in a circle, a 60 degree sector has an area of 25 pi square feet. what is the circumference of the circle?

Respuesta :

08-05-2017

25π=60πr^2/360

25=r^2/6

r^2=150

C=2πr

C=2π√150 ft

C≈76.95 ft (to nearest hundredth of a foot)

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