In Triangle PQR, angle PQR =120 and PQ=QR, find angle P and angle R
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given= Q=120°
PR=QR
so if PQ=QR then angle QPR=angle QRP
SO by angle sum property
P+Q+R=180°
2P+Q=180°…………ANGLE P=Q
2P+120°=180
2P=60°
P= 30°
angleP= Q= 30° ……… ans
PR=QR
so if PQ=QR then angle QPR=angle QRP
SO by angle sum property
P+Q+R=180°
2P+Q=180°…………ANGLE P=Q
2P+120°=180
2P=60°
P= 30°
angleP= Q= 30° ……… ans
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