its a triangle
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Perimeter of the triangle p = 66
The sides of the triangle are : 5x, 3x-1, 4x-12
Perimeter means distance all round i.e. summing all sides
(5x + 3x-1 + 4x-12)=66
Shortest has length is 14.4
Its not clear to me what you meant by x5, i have taken it to be 5x, if this not correct, please send me a follow up correction with correct information, then i will solve it again
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