circle with segments.png [ 14.94 KiB | Viewed 672 times ]
In the diagram above, O is the center of the circle, DC = a and DO = b. What is the area of the circle?
Statement #1: a^2 - 2ab + b^2 = 36
Statement #2: a + b = 22
For a discussion of the important algebra formulas involved, as well as a full solution to this particular problem, see:http://magoosh.com/gmat/2013/three-alge ... -the-gmat/
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