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OpenStudy (lieutenantgeneral):
What is the area of the trapezoid given x = 11, y = 7, and a = 55°? A. 172.2 cm^2 B. 134.4 cm^2 C. 67.2 cm^2 D. 86.1 cm^2
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OpenStudy (anonymous):
I think it is D. 86.1
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