Three circles with centres A, B, C respectively, touch each other externally. If AB = 5cm, BC = 7cm and CA = 6cm, then the radius of the circle with centre A is:

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CollectorBabu · Accepted Answer

Correct Answer: 2 cm. Given AB = 5 cm. , BC = 7 cm. और CA = 6 cm. Let centre of three A,B,C and their radius x cm, y cm and z cm respectively On adding 1, 2 and 3 By equation 2 and 4 Z = 9 – 7 = 2 cm Therefore radius of A centered circle is 2 cm

Three circles with centres A, B, C respectively, touch each other externally. If AB = 5cm, BC = 7cm and CA = 6cm, then the radius of the circle with centre A is:

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