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The radius of the circle touching two si...

The radius of the circle touching two sides AB and AC of a triangle ABC and having its center on BC is equal to………………..

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`(2Delta)/(b+c)`
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AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section I (subjective Type questions)
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  13. In a triangle ABC, if the median and altitude from A trisect angle A, ...

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  17. In a triangleABC, if 1/r^(2) + 1/r(1)^(2) + 1/r(2)^(2) + 1/r(3)^(2) = ...

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