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OpenStudy (anonymous):
What is the area of trapezoid ABDC? a 20 cm2 b 24 cm2 c 28 cm2 d 56 cm2
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OpenStudy (anonymous):
jimthompson5910 (jim_thompson5910):
A = h*(b1 + b2)/2 A = 4*(10 + 4)/2 A = 4*(14)/2 A = 56/2 A = 28
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