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25 March, 15:20

The three side lengths of a triangle are represented by x, (x+10), and (2x+5) units. the perimeter of the triangle is 105 units. which of the following is the value of x?

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  1. 25 March, 17:48
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    So the perimeter of a triangle consists of the length of the three sides. Therefore 105 = x + (x+10) + (2x+5). You just have to solve the equation now.

    105 = 4x+15

    90 = 4x

    22.5 = x
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