The centres of 3 circles , which touch each other externally, form a triangle of sides 14 cm, 18 cm and 20 cm. Find the radius of the smallest circle?

Options
- 6 cm
- 7 cm
- 8 cm
- 12 cm

CORRECT ANSWER : 6 cm

Discussion Board
math

good






sudip 02-22-2014 04:02 AM

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