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November 26, 2013

Problem of the Week
for Tuesday, November 26, 2013

In the picture below, find the shaded right triangle marked A, the equilateral triangle marked B and the striped regular hexagon marked C. Six students make the following statements about the picture below: Anne says "I can find an equilateral triangle three times the area of B."  Ben says I can find an equilateral triangle four times the area of B." Carol says, "I can find a find a right triangle triple the area of A." Doug says, "I can find a right triangle five times the area of A." Eloise says, "I can find a regular hexagon double the area of C." Frank says, "I can find a regular hexagon three times the area of C." Which students are undoubtedly mistaken?
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