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Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Trignometry
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In a $\Delta$le ABC $a:b:c=4:5:6$.The ratio of the radius of the circle to that of the incircle is


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We know that
$\quad\;\;=\large\frac{2\times 4\times 5\times 6}{3\times 5\times 7}$
Hence (c) is the correct answer.
answered Oct 10, 2013 by sreemathi.v

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