At what angle do two straight lines intersect if the degree measure of two of the four formed angles is exactly 50 degrees?

univerkov | March 10, 2021 | education

Since when two straight lines intersect, two pairs of vertical angles are formed, then the angles of the first pair will be 50˚: 2 = 25˚, that is, 25˚ each. From this we can conclude that two straight lines intersect at an angle of 25˚.
Answer: two straight lines intersect at an angle of 25˚.

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