Given the diagram below, Hannah writes m 1+ m 4 = 180°, m 2 + m 5 = 180°, and m 3+ m 26 = 180°. Which of the following reasons allows her to write these sums?

Given the diagram below Hannah writes m 1 m 4 180 m 2 m 5 180 and m 3 m 26 180 Which of the following reasons allows her to write these sums class=

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Answer:

A. Definition of linear pair

Step-by-step explanation:

A linear pair of angles is formed when two lines intersect. Since angle on a straight line = 180°, angles of a linear pair sum up to 180°.

angles 1 and 4, angles 2 and 5, angles 3 and 6 are all linear pairs. Each pair = 180°.

Answer:

a

Step-by-step explanation:

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