Which of the following must be true?(I) If two lines form congruent adjacent angles, then the lines are perpendicular.(II) If two lines are perpendicular, then they form congruent adjacentangles.(III) If the exterior sides of two adjacent obtuse angles are perpendicular,then the angles are complementary.

Which of the following must be true?(I) If two lines form congruent adjacent angles, then the lines are perpendicular.(II) If two lines are perpendicular, then they form congruent adjacentangles.(III) If the exterior sides of two adjacent obtuse angles are perpendicular,then the angles are complementary.

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter59: Areas Of Rectangles, Parallelograms, And Trapezoids

Section: Chapter Questions

Problem 1A: Trace this line segment two times. On one copy construct a perpendicular bisector of the segment. On...

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