Mathematics, 09.01.2022 20:00 mrlepreqon8897

Help please I really need this!!! Given: ΔABC

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

The flowchart with missing reason proves the measures of the interior angles of ΔABC total 180°:

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

Help please I really need this!!!

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

Answers: 3

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Help please I really need this!!! Given: ΔABC

Prove: All three angles of ΔABC add up t...