Geometry Proofs -Learn how to write a proof in Geometry - Geometry Proof Practice Problem

How to do a geometry proof - easy explanation and example. Learn more math at TCMathAcademy.....
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[@russelllomando8460]

i remember proving the theorems in the regents tests in high school thanks for the memories

[@tomtke7351]

Geometry is really cool stuff. As dad graded all my homework he was most enthused with it.
if l and m are parallel ...

[@marthacalkins8054]

I LOVED geometry in high school. I felt like, “Do they know they’re giving us credit for working puzzles?”

[@chrisdissanayake6979]

Answer: ∠1 = ∠2
When corresponding angles are equal, it proves that the lines l and m are parallel.
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If line l is parallel to line m, corresponding angles are equal.
That means, if we can prove that ∠1 = ∠2, the lines I and m are parallel.
It is given that ∠1 = ∠3.
∠2 = ∠3 , because they are vertically opposite angles.
Then, ∠1 should be equal to ∠2, which proves that l and m are parallel lines.