Difference between revisions of "AoPS Wiki:Problem of the Day/June 11, 2011"
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Latest revision as of 23:17, 7 June 2011
Consider the unit square . Let points and be the midpoints of sides and respectfully. Then, segments and intersect at point . Points and are the midpoints of and also respectfully. Draw triangles , , , and . Points , , , and fold up to form the apex of a square pyramid with base . Find the area of the square pyramid.