Can someone help me fill in the proofs and statements?

Question

asked Oct 7, 2019 8.1k views

1 Answer

Dominique Unruh · Answer 1 · 2019-10-12T04:31:03+0000

Answer:

3. they are both equvilent.

4. onl makes a right angle and mnl makes an upside down right angle.

5.makes a definition.

Explanation: