Difference between revisions of "2011 AMC 10A Problems/Problem 18"
(Created page with '== Solution == Draw a rectangle with vertices at the centers of <math>A</math> and <math>B</math> and the intersection of <math>A, C</math> and <math>B, C</math>. Then, we can c…') |
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Revision as of 01:39, 16 February 2011
Solution
Draw a rectangle with vertices at the centers of and
and the intersection of
and
. Then, we can compute the shades area as the area of half of
plus the area of the rectangle minus the area of the two sectors created by
and
. This is
.