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A pair of parallel lines is cut by a transversal, as shown: A pair of parallel lines is shown cut by a transversal. Angle A is located in the upper left exterior next to the transversal, and angle B is located in the bottom right exterior corner of the transversal. Which of the following best represents the relationship between angles A and B? A = B A = 180 degrees − B B = 180 degrees − A A = 2B

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footballkid1815

Answer: A = B

Step-by-step explanation: I think this answer is correct because they both are the same angle and on opposite sides of the line. Also, on my test i got it correct.

Answer:

A = B

Step-by-step explanation:

Let the parallel lines m and n cut by a same transversal such that,

Angle A is the upper left exterior next to the line t and angle B is located in the bottom right exterior corner of the line t, ( shown below ),

By the alternate exterior angle theorem,

m∠A = m∠B

I.e. FIRST option is correct.

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