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April 20, 2014

April 20, 2014

Posted by **Anonymous** on Monday, December 17, 2012 at 10:50am.

- maths --plse help me.. -
**Steve**, Monday, December 17, 2012 at 11:06ama1 = 1/2 r^2 (θ-sinθ) = 25/2 (pi/2 - 1)

a2 = pi r^2 - a1 = 25pi - 25/2 (pi/2 - 1) = 25/4 (3pi + 2)

a2 - a1 = 25/2 (pi+2)

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