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They don't always. When two lines are crossed by another line (called the transversal) the angles in matching corners are called corresponding angles. If the two lines being crossed are parallel lines, then (and only then) the corresponding angles are equal.

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Q: Why do corresponding angles always have to be the same?
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Related questions

Do corresponding angles always have the same measure?

Yes.


If the corresponding angles are on parallel lines then their measure is the same?

always


Can corresponding angles have the same measurements?

Yes they always do have the same degree of measurements


Why do corresponding angles always have the same measurement?

They don't always. When two lines are crossed by another line (called the transversal) the angles in matching corners are called corresponding angles. If the two lines being crossed are parallel lines, then (and only then) the corresponding angles are equal.


True or false - The angles in an enlarged shape are always the same as the corresponding angles in the original shape?

True


Is the measure of corresponding angles some times equal?

Always. If not, they are not called corresponding angles.


Do similar figures always have corresponding angles that are equil?

Yes, similar figures always have congruent corresponding angles and proportional corresponding side lengths.


Are corresponding angles always equal?

corresponding angles are only equal if the angles are b/w the parallel lines.


Are corresponding angles the same?

Yes corresponding angles on the transversal line are equal


Are two arbitrarily chosen equilateral triangles similar?

Yes. Corresponding angles of the two triangles are always equal, and lengths of corresponding sides are always in the same ratio.


What is corresponding angles and sides are referred to as?

what is corresponding angles and sides referred to as They are the opposites that are equal if it is angles they are always equal if they are angles they can only be coarrasoponding if they are equal


Do similar figures have corresponding angles that are supplementary?

Corresponding angles in similar figures should be the same, not supplementary.