Question

FAN, MEDAL, and TESTIMONIAL for best answer!!!!!!!!!

Triangle ABC is shown below.

Answer 1

Given: ∆ABC

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


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

Answer 2

Which reason can be used to fill in the numbered blank space?

A. Alternate Exterior Angles Theorem

B. Same-Side Interior Angles

C. Corresponding Angles Postulate

D. Alternate Interior Angles Theorem

Answer 3

@jim_thompson5910 @ganeshie8 @nikato @MelissaHolmes @math&ing001 @megangray32

Answer 4

@Hero

Answer 5

D.
Becuz DBA and BAC are alternative interior angle.