Question

Triangle ABC is shown below.

Answer 1

Given: ΔABC

Prove: All three angles of ΔABC add up to 180°.

The flow chart with missing reason proves the measures of the interior angles of ΔABC total 180°.

Answer 2

Which reason can be used to fill in the numbered blank space? (4 points)


Associative Property of Addition
Triangle Exterior Angle Theorem
Angle Addition Postulate
Commutative Property of Addition

Answer 3

@annas

Answer 4

man geometry is old school for me :P sorry man

Answer 5

alright :((