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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Tuesday, September 17, 2013 at 7:21pm.

- Geometry -
**Henry**, Friday, September 20, 2013 at 7:10pmRadius of R = r units.

Radius of Q = (4/5)*r = 4r/5 units.

Ar/Aq = pi*r^2/pi*(4r/5)^2

Ar/Aq = r^2/(4r/5)^2 = r^2/(16r^2/25)

Ar/Aq = r^2*25/16r^2 25/16 = 25/16 =

1.5625 = 156.25%

Ar = 156.25% - 100% = 56.25% > Aq.

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