Q78
In ΔABC and ΔDEF, AB = DE and BC = EF, then one can infer that ΔABC ≅ ΔDEF, when
A.
∠BAC = ∠EFD
B.
∠ACB = ∠EDF
C.
∠ABC = 2∠DEF
D.
∠ABC = ∠DEF
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
According to question,
∠ABC = ∠DEF
Note : Two triangles are congruent if two sides and the included angle of one triangle are equal to the corresponding sides and the included angles of the other triangle (SAS criterion).