Geometry Problem
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Wednesday, January 5, 2011
Problem 563: Regular Pentagon, Center, Rectangle, Diagonals, Angle
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Geometry Problem
Click the figure below to see the complete problem 563.
Zoom at: Geometry Problem 563
x = MDF + MFD = 72 + 27 ( MFD = 1/2 ODE, OD bisector )
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x = 99
http://img202.imageshack.us/img202/508/problem563.png
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We have 2t=1/2*(180-72)= 54
x=180-3t= 99
Peter Tran