The length of the sides of a triangle are (15x+2xy+13x), (18 x y+2yx+12x), and (9xy+3xy-5x). Find its perimeter
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Step-by-step explanation:
Perimeter of Triangle= Sum of all sides of triangle
= (15x+2xy+13x)+(18xy+2yx+12x)+(9xy+3xy-5x)
= ( 28x+2xy)+(20xy+12x)+(12xy-5x)
= 28x+2xy+20xy+12x+12xy-5x
= 28x+12x-5x+2xy+20xy+12xy
= 35x+34xy
Therefore, the perimeter of given triangle is 35x+34xy.
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