The sides of a triangle are (x + y) cm, (3x + 5y) cm and (10x – 3y) cm. Find the perimeter of the
triangle.
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perimeter = (x + y) + (3x + 5y) + (10x – 3y)
= x + y + 3x + 5y + 10x - 3y
= 14x +3y
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