Question

In the given figure, ABC is a right angled triangle. ∠

IN PQC, PC 2PQ PQ is radius of Bigger circle PC 2 R PC 2R PC PO OC PC R 2 4 2R R 2 4 R 6

ABC = 90 0and ∠ ACB = 60 0. If the radius of the smaller circle is 2 cm, then what is the radius (in cm) of the larger circle?

A 4

B 6

C 4.5

D 7.5

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Solution