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A sector of a circle has a central angle of 80 degrees. If the area of the sector is 48pi, what is the radius of the circle?

 Oct 16, 2020
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80 out of 360  of the total area of the circle is 48 pi

 

80/360 pi r^2 = 48 pi

r^2 = 48 (360/80)                   I think you can finish ! cheeky

 
 Oct 16, 2020

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