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If a, b, and c, are the sides of a right...

If a, b, and c, are the sides of a right-angled triangle where C is the hypotenuse, prove that the radius r of the circle which touches the sides of the triangle is given by `r=(a+b-c)/(2)` units.

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Knowledge Check

  • Which of the following are the side of the right-angles triangle ?

    A
    `36,17, 18`
    B
    `20, 30, 10`
    C
    `35, 27, 18`
    D
    `41, 40, 9`

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