$\"\"$

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The perimeter of the triangle is $\"\"$ .

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Let $\"\"$ and $\"\"$ are points of the triangle.

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Observe the figure:

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$\"\"$ , $\"\"$ and $\"\"$ .

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Here $\"\"$ and $\"\"$ .

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Find the perimeter of the triangle.

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$\"\"$ (Orginal equation)

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$\"\"$ (Substitute $\"\"$ , $\"\"$ and $\"\"$ )

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$\"\"$ (Substitute $\"\"$ and $\"\"$ )

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Multiply)

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$\"\"$ (Simplify)

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The perimetr of the triangle is $\"\"$ .

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Option (G) is right choice.

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$\"\"$

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Option (G) is right choice.