Question

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question. In the figure a b is a tangent to a circle with Centre O prove that angle BPR equals to pqr if Angle B PQ equal to 60 degree find angle r p q

Answer 1

angle bpr is a right angle and also angle pqr is a right angle
given here angle bpq is 60 degrees
bpr is 90
angle bpr -angle bpq =angle pqr
90-60=30