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cbrusoe
 2 years ago
Theorem: If the diagonals of a parallelogram are congruent, then each angle of the parallelogram is a right angle.
Kim is writing the proof of the theorem using the properties of a parallelogram shown below.
• The opposite sides of a parallelogram are parallel.
• The opposite sides of a parallelogram are congruent.
A parallelogram ABCD with diagonals AC and BD.
She proved the theorem by showing that triangle ADC is congruent to triangle CBA using the _________ Postulate.
cbrusoe
 2 years ago
Theorem: If the diagonals of a parallelogram are congruent, then each angle of the parallelogram is a right angle. Kim is writing the proof of the theorem using the properties of a parallelogram shown below. • The opposite sides of a parallelogram are parallel. • The opposite sides of a parallelogram are congruent. A parallelogram ABCD with diagonals AC and BD. She proved the theorem by showing that triangle ADC is congruent to triangle CBA using the _________ Postulate.

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AcidRa1n
 2 years ago
Best ResponseYou've already chosen the best response.3Is that what your looking for?

cbrusoe
 2 years ago
Best ResponseYou've already chosen the best response.1haha! theres your medal =)

that1chick
 2 years ago
Best ResponseYou've already chosen the best response.0I think its SSS.... • The opposite sides of a parallelogram are parallel. • The opposite sides of a parallelogram are congruent. they are both talking about sides.............

that1chick
 2 years ago
Best ResponseYou've already chosen the best response.0nvr mind, I found the angle Theorem: If the diagonals of a parallelogram are congruent, then each angle of the parallelogram is a right angle. So I concure with them lol
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