A rectangle is 6 miles longer than it is wide. Find the dimensions of the rectangle if its area is 195 sq-miles.

x=6 and x=3

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step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two

6 equilateral triangles