Find the value of 'x' if the perimeter of the given figure is 116 cm.

x = 4

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x = 5

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x = 6

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x = 3

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Solution

The correct option is A x = 4
Perimeter of a triangle is the sum of all of its three sides.

Therefore,

= [(4(5x + 7) + (2x + 3) + 3(x - 5)] = 116

=> 20x + 28 + 2x + 3 + 3x - 15 = 116

=> 25x = 116 - 16 = 100

=> x = 4.

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