Question: Copy and complete the proof that if two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular. GIVEN 1

Copy and complete the proof that if two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular.

GIVEN 1 and 22 are a linear pair. 21 = 22 PROVE

GIVEN 1 and 22 are a linear pair. 21 = 22 PROVE g h STATEMENTS 1. 21 and 22 are a linear pair. 2. 1 and 2 are supplementary. 3. ? 4. Z1 = 22 5. m/1 m/2 6. mZ1 + m/1 = 180 7. 2(m1)= 180 8. m/190 9. ? 10. gh REASONS g 2 1. Given 2.? 3. Definition of supplementary angles 4. Given 5. ? 6. Substitution Property of Equality 7. Combine like terms. 8.? 9. Definition of a right angle 10. ?

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