Question

Triangle ABC is shown below

The flow chart with missing reason proves the measures of the interior angles of triangle ABC total 180.
Which reason can be used to fill in the numbered blank space? Which reason can be used to fill in the numbered blank space?
Angle Addition Postulate
Definition of Complementary Angle
Definition of Supplementary Angles
Substitution

Answer 1

Answer: I'm pretty sure the answer would be angle addition postulate

Step-by-step explanation: I went through the lesson on flvs and that is what it means.

Answer 2

Based on your question where as an image which shows a triangle ABC and has an interior angle in a total of 180 so the ask is which of the following is reason could be used in answering the blank space in the diagram and i think the answer would be Definition of Supplementary Angle