Question

State the reason (picture below)
1 If <2 is congruent to <3, then AD is parallel to BC
2. If DA is perpendicular to AB then m 12 years ago

Answer 1

@ehuman

Answer 2

1. if AD and BC are parallel then 2 and 3 are = alternate exterior angles.

Answer 3

2. If DA is perpendicular to AB then by definition it forms a right angle thus DAB =90

Answer 4

3. is correct for the same (but reversed reason) as question 2

Answer 5

thank you!!!!!!!!!!