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Nady [450]
3 years ago
6

How would I prove the congruency of these triangles?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

Step-by-step explanation:

In ΔADC & ΔABC,

Statement              Reason

AD = BC                 Given

∠DAC ≅ ∠ACB       {AB // BC , AC is transversal, ⇒ alternate interior                                     angles are equal}

AC = CA                   Reflexive property

ΔADC ≅ ΔABC         SAS congruent

AB = CD                 CPCT -> Corresponding Part of Congruent Triangles

Andre45 [30]3 years ago
3 0

Answer:

SAS

Step-by-step explanation:

<em>line </em>AB = <em>line</em> CD    S = SIDE

AB = CD because the shape is a parallelogram and opposite sides of a parallelogram are equal.

Hence, proved AB = CD

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