mayojya
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The figure below shows a parallelogram ABCD. Side AB is parallel to side DC, and side AD is parallel to side BC:
A student wrote the following sentences to prove that parallelogram ABCD has two pairs of opposite sides equal:

For triangles ABD and CDB, alternate interior angle ABD is congruent to angle CDB because AB and DC are parallel lines. Similarly, alternate interior angle ADB is equal to angle CBD because AD and BC are parallel lines. DB is equal to DB by reflexive property. Therefore, triangles ABD and CDB are congruent by ________. Therefore, AB is congruent to DC and AD is congruent to BC by CPCTC.

Which phrase best completes the student's proof?

ASA Postulate
HL Postulate
SAS Postulate
SSS Postulate

The figure below shows a parallelogram ABCD Side AB is parallel to side DC and side AD is parallel to side BC A student wrote the following sentences to prove t class=

Respuesta :

Answer:

Step-by-step explanation:

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savannahnorris121742

Answer: The postulate that is used in order to prove the congruency of the triangles is the ASA which means (Angle – Side – Angle). The property that is applicable for the congruency of DB to itself is the reflexive property. Therefore, the answer to this item is the second choice.

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