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04-09-2016
Mathematics

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which of these is the area of a sector of a circle with r = 18”, given that its arc length is 6π

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seizetheday seizetheday

04-09-2016

We can work out the angle by doing: 6pi/18 = pi/3 You can then work out the area with A=r^2theta: A = 18*18*pi/3 = 108pi

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