The radius of two circles s 3 cm and 4 c...

The radius of two circles s 3 cm and 4 cm. The distance between the circles is 10cm. What is the ratio of the length of direct common tangent to the length of the transverse coninon tangent?

`sqrt(51):sqrt(68)`

`sqrt(33):sqrt(17)`

`sqrt(66):sqrt(51)`

`sqrt(28):sqrt(17)`

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