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AL, BM and CN are perpendicular from ang...

AL, BM and CN are perpendicular from angular points of a triangle ABC on the opposite sides BC, CA and AB respectively. `Delta` is the area of triangle ABC, (r ) and R are the inradius and circumradius.
If perimeters of `DeltaLMN and Delta ABC an lamda and mu, ` then the value of `(lamda)/(mu)` is

A

`r/R`

B

`R/r`

C

`(rR)/(Delta)`

D

`(Delta)/(rR)`

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The correct Answer is:
B
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