Construct a ∆ PQR in which QR=4.2cm, angle Q=120° and PQ=3.5 cm. Draw PM perpendicular to QR
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Step-by-step explanation:
step 1 : take a line segment of 4.2cm. step 2: draw an angle of 120° using compass or protractor on Q. step 3:take 3.5 cm from scale and make a radius if circle as center Q. step 4:join P and Q ur circle is readt.
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