The figure below shows a striaght line AB intersected by another straight line t: Write a paragraph to prove that the measure of angle 1 is equal to the measure of angle 3. (10 points)

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Adam Bak asked Aug 15, 2023

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3 votes

The figure below shows a striaght line AB intersected by another straight line t: Write a paragraph to prove that the measure of angle 1 is equal to the measure of angle 3. (10 points)

The figure below shows a striaght line AB intersected by another straight line t: Write-example-1

Mathematics
college

Adam Bak asked Aug 15, 2023

by Adam Bak

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1 Answer

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Angles 1 and 3 are vertical angles, that is, are pairs of opposite angles made by intersecting lines. If 2 angles are vertical then they are congruent, in other words, they have the same measure.