Mathematics, 19.11.2020 18:00 KittyGotham

John writes the proof below to show that the sum of the angles in a triangle is equal to 180 degrees Which would John NOT need to use in his proof?

A. The sum of the angles on ore side of a straight line is 180

B. If a statement about a is true and a = b statement formed by replacing a with b is also true.

C. When two parallel lines are cut by a transversal, the resulting alternate interior angles are congruent.

D. When two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent

John writes the proof below to show that the sum of the angles in a triangle is equal to 180 degree

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John writes the proof below to show that the sum of the angles in a triangle is equal to 180 degrees...

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