Pleaaaase help me! What is the radius (r) of a circle inscribed in a "12-16-20" right triangle? The answer must be either a whole number, in reduced fraction form, or simplified radical form (no decimals). I can't paste the picture here but what it basically looks like is a right triangle with the two legs being 16 and 12 and the hypotenuse being 20. Inside the triangle is a circle and there is one radius line drwan in it...

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What do you know about incentres/incircles? I guess nothing, as then this would be trivial :/

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