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Answer:
Let the point of intersection of the circles be O
Step-by-step explanation:
Tangents from same external point are equal in length:
RP=OR.....(1)
QR= OR.....(2)
From 1 and 2,
RP=QR
Hence R is the mid point
Step-by-step explanation:
P and Rare tangents to the circle
PR perpendicular to PQ
RO is perpendicular to Rr
In smaller circle,
QR is perpendicular to QO
since R is common at all cases
R is the centre of the circle.