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If ratio of area of two similar triangle...

If ratio of area of two similar triangles are `64:81` and length of internal bisector of an angle of first triangle is 4, then what is the length of internal bisector of corresponding angle of the second triangle.

A

`5cm`

B

`(9)/(2)cm`

C

`10cm`

D

`20.25cm`

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The correct Answer is:
B
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