In two triangles PQR and LMN, PQ = QR, ∠P = ∠M and QR = LN, then which of the following statements is CORRECT?
Triangles are congruent only
Triangles are isosceles only
Triangles are both congruent and isosceles
None of these
A
None of these
B
Triangles are congruent only
C
Triangles are isosceles only
D
Triangles are both congruent and isosceles
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Solution
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In △PQR and △LMN
⇒PQ=QR and QR=LN
∴PQ=LN
⇒∠P=∠M
⇒ Here, only one side and one angle are equal, so these both triangle cannot be congruent.
⇒ Two angles in both triangles are also not equal so, triangles are not isosceles.
∴ Correct answer is option D.
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