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#843849 - 10/21/12 04:16 PM Math Fun
Pandora Offline

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Registered: 08/06/00
Posts: 45548
Loc: Upstate NY
The area of EOF is a quarter of a circle with point O at the center of the circle. The line segment AC is 8 inches long and the line segment BC is 6 inches long.

How many square inches are in the shaded areas?



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#843851 - 10/21/12 04:32 PM Re: Math Fun [Re: Pandora]
Urban Worrier Offline

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Registered: 11/16/04
Posts: 14117
Loc: Bucks, England
By Pythagoeas, OC = 10, therefore area of circle is 100*pi and area of quadricircle(?) OEF is 25*pi.

Hopefully this gives shaded area as 25*pi-48 = 30.5 approx think
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#843858 - 10/21/12 05:01 PM Re: Math Fun [Re: Pandora]
Pandora Offline

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Registered: 08/06/00
Posts: 45548
Loc: Upstate NY
Well done, Rog! smile smile smile
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