Two circles of radius 4 cm and 6 cm touch each other interna

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SSC CGL Tier-2 9-March-2018 Maths-shift-1
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MATH

28

M: +3.00/-0.00

Two circles of radius 4 cm and 6 cm touch each other internally. What is the length (in cm) of the longest chord of the outer circle, which is also a tangent to inner circle?

[SSC CGL Tier-2 9-March-2018 Maths-shift-1]

A 12√2

B 8√2

C 6√2

D 4√2