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Applications (Word Problem)

If in a ABC...

Question

If in a $△ A B C, r_{1} = {2 r}_{2} = 3 r_{3},$ then the perimeter of the triangle is equal to?

3 a

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3 b

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3 c

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3 (a + b + c)

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Solution

The correct option is D $3 (a + b + c)$
$\frac{△}{S - a} = \frac{2 △}{S - b} = \frac{3 △}{S - c} = \frac{1}{K}$

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r_{1} = 2 r_{2} = 3 r_{3}

r_{1} = 2 r_{2} = 3 r_{3}

r_{1} = 2 r_{2} = 3 r_{3}

\frac{a}{b} + \frac{b}{c} + \frac{c}{a}

r_{1} = 2 r_{2} = 3 r_{3}

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r_{1} = 2 r_{2} = 3 r_{3}

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