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2.  SUBTOPIC : Given the lengths of any two sides and the measure of the angle
                  between these sides.(SAS)
                  Example: Construct a triangle PQR, given that PQ = 3 cm, QR = 5.5 cm
                  and PQR = 60°.
                  SOLUTION:
                  Step 1: First, we draw a rough sketch with given measures.






















                  Step 2:  Draw a line segment QR of length 5.5 cm.











                  Step 3: At Q, draw QX making 60° with QR.





















           (The point P must be somewhere on this ray of the angle)



           Step 4 (To fix P, the distance QP has been given).
           With Q as centre, draw an arc of radius 3 cm. It cuts QX at the point P.
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