Two parallel lines are crossed by a transversal. Horizontal and parallel lines g and f are cut by transversal h. At the intersection of lines g and h, the bottom left angle is a degrees. At the intersection of lines f and h, the bottom left angle is 63 degrees.

Question

Mathematics

Dandy

15 June, 06:51

Two parallel lines are crossed by a transversal. Horizontal and parallel lines g and f are cut by transversal h. At the intersection of lines g and h, the bottom left angle is a degrees. At the intersection of lines f and h, the bottom left angle is 63 degrees.

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Answers (1)

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Samuel Ruiz · Answer 1

117 degrees

Step-by-step explanation:

According to Alternate Exterior Angles Theorem, and then Definition of linear pair, the angle A and the angle that is 63 degrees are supplementary:

Thus, we can use the following equation to find A:

A+63=180

A=180-63

A=117 degrees