Current time:0:00Total duration:8:30

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# Proof: Opposite sides of a parallelogram

Sal proves that a figure is a parallelogram if and only if opposite sides are congruent. Created by Sal Khan.

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# Proof: Opposite sides of a parallelogram

Current time:0:00Total duration:8:30

0 energy points

Sal proves that a figure is a parallelogram if and only if opposite sides are congruent. Created by Sal Khan.