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In the diagram above, the sides of △ABC are tangent to the inscribed circle with radius c and center O at points E,D and F where BD = a and DC = b.

 

Let ab > c^2 and P be the perimeter of △ABC. Find \(\dfrac{(ab - c^2)P}{ab(a + b)}\)

 

 Jun 20, 2020
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Oh, nevermind. I thought this was something else. I'm sorry.

 Jun 20, 2020
edited by Unicornrabbit  Jun 20, 2020

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