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Two circles touch each other externally....

Two circles touch each other externally. The distance between their centres is 7 cm. If the radius of one circle is 4 cm, then the radius of the other circle is

A

`3.5 cm`

B

`3 cm`.

C

`4 cm`

D

`2 cm`

Text Solution

Verified by Experts

The correct Answer is:
B
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