Question

MEDALS!!!!

Find the correct reason to fill in the blank of the following proof.

Statement:

Reasons:
n // p

Given
Ð3 is congruent to Ð2

Given
Ð3 and Ð1 are supplementary

? ? ?
mÐ1 + mÐ3 = 180

Definition of supplementary angles
mÐ3 = mÐ2

Definition of congruent angles
mÐ1 + mÐ2 = 180

Substitution Property
Ð2 and Ð1 are supplementary

Definition of supplementary angles
l // m

If consecutive interior lines are supplementary, then the lines are parallel.
Select one:
a. Definition of supplementary
b. Definition of linear pair
c. Consecutive interi

Answer 1

d. Corresponding angles

Answer 2

sorry i dont know why they cut that one off