The perimeter of a triangle is 84 meters. the longest side of the triangle is 7 meters less than twice the length of the shortest side, x. the middle side is 7 meters longer than the shortest side. what is the length of each side of the triangle?

The length of the sides are 42m, 31.5m and 24.5m

Step-by-step explanation:

The perimeter of a plain shape can be computed by adding all the sides of the plain shape.

For a triangle, the perimeter is the sum of the 3 sides.

Let the length of the shortest side be x

The longest side = 2x - 7 meters

The middle side = x +7 meters

Therefore,

2x - 7 +x - 7 + x = 84

4x = 84 + 14

4x = 98

x = 24.5 meters

The longest side = 2(24.5) - 7 = 42 meters

The middle side = 24.5 + 7 = 31.5 meters

The length of the sides are 42m, 31.5m and 24.5m

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step-by-step explanation:

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