Question

Determine which justification best fits step 3 for the following proof

A. Definition of a right angle

B. Segment Addition Postulate

C. Angle Addition Postulate

D. Definition of supplementary angles

Answer 1

Answer: it's actually angle addition postulate

explanation: angle addition postulate is the one that allows you to say that the individual parts of a bigger angle can add up to equal that bigger angle

Answer 2

D

Explanation:

Since ABC is collinear and angle 3 is a right angle, adding 1&2 together should equal 3, which comes out to being equal to line ABC