Mathematics, 29.05.2020 16:58 emadrid76

Mark solved for x and got 30 for an answer. Which statement justifies

Mark's answer?

Select one:

Vertical angles are congruent.

If two sides of two adjacent angles are perpendicular, then the angles are

complementary

If two lines intersect to form a pair of congruent adjacent angles, then the ines

are perpendicular.

Alternate interior angles are congruent

Answers: 2

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Mark solved for x and got 30 for an answer. Which statement justifies

Mark's answer?