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Qadilateral PQRS is a cyclic quadilateral whose diagonal intersect at thepoint E . if measure angle SQR=70, measure angle QPR=30, find measure angle QRS.

furthur if PQ=PR, find measure angle ERS (I donot need figure only method and explanation)


The Brainliest Answer!
Angle SQR = angle SPR    (angles in same arc)
angle SPQ = angle SPR + angle RPQ
angle SPQ = 100 degree

angle QRS = 180-100 80 degree
3 5 3
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