calculate the angles if PQRS is120 degree so find A and B
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Answer:Step-by-step explanations
Step-by-step explanation:
r=120 (opp angle)q = 60 (180-120 ) supply angles =60 opp angle.
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Opposite angles of a parallelogram are equal
∴∠SPQ=∠SRQ=70o
In △SQR,∠RSQ+∠SQR+∠SRQ=180o
∠RSQ=180−60−70
RSQ=50o
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