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Mathematics 20 Online
OpenStudy (dominirican1013):

Suppose a triangle has sides a, b, and c with side c the longest side, and that a2 + b2 > c2. Let be the measure of the angle opposite the side of length c. Which of the following must be true? CHECK ALL THAT APPLY! A. Theta is an acute angle B. cos(theta)<0 C.The triangle is not a right triangle D. The triangle in question is a right triangle

OpenStudy (dominirican1013):

@LynFran

OpenStudy (lynfran):

its not D for sure..

OpenStudy (lynfran):

im think this image.. |dw:1437070982092:dw|

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