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posted by john on Tuesday, March 8, 2011 at 9:25am.
An isosceles trapezoid has base angles equal to 45 and bases of lengths 6 and 12. Find the area of the trapezoid.
h = (B1 - B2) / 2 = (12 - 6)/2 = 3. A = (B1+B2)h / 2 = (12+6)3 / 2 = 27.
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