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geometry theroms

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (7)

#1
Front (Question)

Converse of the same side interior angles theorem

Back (Answer)

If two and a transversal form same side interior angles that are supplementary then two lines are parallel.

#2
Front (Question)

Converse of the corresponding angles postulate

Back (Answer)

If two lines and a transversal form corresponding angles that are congruent then the two lines are parallel.

#3
Front (Question)

Converse of the alternate exterior angles theorem

Back (Answer)

If two lines and a transversal form alternate exterior angles that are congruent then two lines are parallel.

#4
Front (Question)

Converse of the same side exterior angles theorem

Back (Answer)

If two lines and a transversal form same side exterior angles that are supplementary then two lines are parallel.

#5
Front (Question)

Multiple parallels theorem

Back (Answer)

If two lines are parallel to the same line then they are parallel to each other

#6
Front (Question)

Multiple perpendicular theorem

Back (Answer)

If two Copland lines are perpendicular to the same line then they are parallel to each other

#7
Front (Question)

Perpendicular transversal theorem

Back (Answer)

In a plane if a transversal is perpendicular to one of two parallel lines then it is also perpendicular to the other