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Two circle of radii 8 cm and 5 cm with t...

Two circle of radii 8 cm and 5 cm with their centres A and B touching each other externally is shown in the figure below.The length of direct common tangent PQ is:

A

`16sqrt(10)cm`

B

`4sqrt(10)cm`

C

`10sqrt(16)cm`

D

`2sqrt(10)cm`

Text Solution

Verified by Experts

The correct Answer is:
B
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