rjnava2005 rjnava2005

01-04-2017
Mathematics

contestada

A circle has a sector of 64/5pi and it has a angle of 8/5pi radians, what is the area of the circle?

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Аноним Аноним

01-04-2017

Sector angle is 8/5pi and it is 2pi for the full circle

so setting up the ratio

2pi : 8/5pi = total area : 64/5pi

total area = 64/5pi * 2pi / (8/5)pi

= 16pi

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