Answers by Dave Arkell
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Answers by Dave Arkell

Answers by Dave Arkell
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Suppose a triangle has sides a, b, and c, 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. is an acute angle. B. The triangle is not a right triangle. C. cos < 0 D. The triangle is a right triangle.
answered Jan 19, 2018
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