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kirill [66]
3 years ago
12

Determine if the triangles are congruent. If they are, state how you know.

Mathematics
2 answers:
hram777 [196]3 years ago
6 0

Answer:

1 - SSS

Step-by-step explanation:

We need either two sides one angle, two angles one side, or three sides to prove congruency. In this case we have 3 sides so therefore this is congruent by the SSS theorem.

vampirchik [111]3 years ago
3 0

Answer:

SSS

Step-by-step explanation:

They are congruent, you can tell by the 'tick marks'.

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Given a parallelogram ABCD. Diagonals AC and BD intersect at E. We have to prove that AE is congruent to CE and BE is congruent to DE i.e diagonals of a parallelogram bisect each other.

In ΔACD and ΔBEC

AD=BC              (∵Opposite sides of a parallelogram are equal)

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By ASA rule, ΔACD≅ΔBEC

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AE=EC and DE=EB

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