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Question
State which of the following pairs of triangles are congruent. If yes, write them in symbolic form (you may draw a rough figure).
∆PQR: PQ = 3.5 cm, QR = 4.0 cm, ∠Q = 60°
∆STU: ST = 3.5 cm, TU = 4 cm, ∠T = 60°
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Solution
Both triangles are congruent.
∴ ΔPQR ≅ ΔSTU ...[By SAS congruence criterion]
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In Fig,
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