Mathematics, 23.09.2020 01:01 lindseyreneesmith7
Justin and Amy are trying to prove the Triangle Angle Sum Theorem. Justin draws a triangle on a piece of paper, tears off the corners, and arranges them to form a line. Amy constructs a line through one vertex that is parallel to the opposite side and uses the Alternate Interior Angles Theorem to show that the interior angles add up to 180°. Who proved the theorem? Explain.
A.) Both Amy and Justin proved the theorem. Amy used postulates and theorems, while Justin used a demonstration.
B.) Only Justin proved the theorem because he demonstrated that the angles formed a line.
C.) Neither Amy nor Justin proved the theorem.
D.) Only Amy proved the theorem because she used postulates and theorems to construct a logical argument to show that the interior angles in a triangle add up to 180°.
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