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The length of the direct common tangent ...

The length of the direct common tangent of two circles of radii 2 cm and 8 cm is 8 cm. Then the distance between the centres of the circles is

A

36 cm

B

6 cm

C

64 cm

D

8 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Length of the transverse common tangent `=sqrt(s^2-(R+r)^2)`.
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