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Mathematics, 12.11.2020 03:40 fordd4

Triangle ABC is shown below: *1st image attached*

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°:

*2nd image attached*

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

Alternate Exterior Angles Theorem

Same-Side Interior Angles

Corresponding Angles Postulate

Alternate Interior Angles Theorem


Triangle ABC is shown below:

*1st image attached*
Given: ΔABC
Prove: All three angles of ΔABC add
Triangle ABC is shown below:

*1st image attached*
Given: ΔABC
Prove: All three angles of ΔABC add

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Answers: 3

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Triangle ABC is shown below: *1st image attached*

Given: ΔABC

Prove: All th...
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