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GRE Question of the Day (February 17th)MathTrapezoid OPQR has one vertex at the origin. What is the area of OPQR ?
A. \({\frac{{a^2}}{{4}}}\) B. \({\frac{{a^2}}{{2}}}\) C. \({\frac{{3a^2}}{{4}}}\) D. \({\frac{{3a^2}}{{2}}}\) E. \({2a^2}\) Correct Answer - C - (click and drag your mouse to see the answer)
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