1.

Three circles touch each other externally. The distance between their centre is 5 cm, 6 cm and 7 cm. Find the radii of the circles :

Answer»

2 cm, 3 cm, 4 cm
3 cm, 4 cm, 1 cm
1 cm, 2.5 cm, 3.5 cm
1 cm, 2 cm, 4 cm

Answer :A


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