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AURORKA [14]
3 years ago
10

Corresponding angles of ΔABC and ΔDEF are congruent. Does this prove that the triangles are congruent? Justify.

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
5 0

Answer:

The correct option is C.

Step-by-step explanation:

The required answer is "no".

It is given that corresponding angles of ΔABC and ΔDEF are congruent. It means

\angle A\cong \angle D

\angle B\cong \angle E

\angle C\cong \angle F

From this information we can say that by AAA property of similarity

ΔABC \sim ΔDEF

The lengths of the sides of the two triangles are not necessarily equal.

Since the property AAA only guarantees similarity, therefore the corresponding angles of ΔABC and ΔDEF are congruent does not prove that the triangles are congruent.

The properties of congruent triangle are : SSS, SAS, ASA, AAS.

It means at least one side is required to say that the triangles are congruent.

Option C is correct.

Vsevolod [243]3 years ago
4 0

NO.  Three congruent angles only proves the triangles are similar. You must have at least one side length to prove congruency.

SSS, SAS, ASA, AAS  prove triangle congruency.

Answer: C


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