Two circles with centre P and Q are touching externally. A circle with
centre R touches both the circles externally. If PQ = 12, QR = 18 and
PR = 20. Find the radii of the circles.
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Step-by-step explanation:
Two circles with centre P and Q are touching externally. A circle with
centre R touches both the circles externally. If PQ = 12, QR = 18 and
PR = 20. Find the radii of the circles.
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