Construct a triangle PQR in which PQ = 4 cm, ∠P = 60° and ∠Q = 60°
Step1: Construct a segment PQ of 4 cm
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Step2: draw line at 60° from point P using a protractor

Step3: similarly draw line at 60° from point Q and mark the intersection point with the previous line as R and ΔPQR is ready

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