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Question
In ΔPQR, PQ = 10 cm, QR = 12cm, PR = 8 cm, find the biggest and the smallest angle of the triangle.
Solution
In Δ PQR 12 cm > 10 cm > 8 cm
∴ QR > PQ > PR
∴ ∠ P > ∠ R > ∠ Q
The biggest angle is ∠P and the smallest angle is ∠Q.
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