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Mathematics 17 Online
OpenStudy (domebotnos):

Use a paragraph proof to prove the converse of the corresponding angles postulate. Given: Corresponding angles are congruent Prove: segment A B is parallel to segment C D.

OpenStudy (domebotnos):

ganeshie8 (ganeshie8):

start by stating the given info

ganeshie8 (ganeshie8):

It is given that the corresponding angles are congruent. So `angle 2` and `angle 6` are congruent as they are corresponding angles... See if you can expand on this

OpenStudy (domebotnos):

corresponding angles can be formed by a traversal line going through two parallel line. Segment fe goes through both AB and CD and angle 2 and 6 are congruent this proves that AB and CD are parallel

OpenStudy (domebotnos):

@ganeshie8

ganeshie8 (ganeshie8):

you need to justify each statement with a valid reason

ganeshie8 (ganeshie8):

It is given that the corresponding angles are congruent. So `angle 2` and `angle 6 `are congruent as they are corresponding angles. `angle 2` and `angle 4` are congruent as they are vertical angles. That makes `angle 4 = angle 6` by transitive property. However `angle 4` and `angle 6` are alternate interior angles. So the lines AB and CD are parallel by converse of alternate interior angles theorem.

ganeshie8 (ganeshie8):

if that makes more or less sense...

OpenStudy (domebotnos):

ok i just had to look up the property definitions but that way makes more sense

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