If perimeter of equilateral triangle is
18x2y + 20xy2 + 8y find the length
of each side
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Step-by-step explanation:
perimeter= 18x²y + 20xy² + 8y (given)
3 × side = 18x²y + 20xy² + 8y
side = (18x²y + 20xy² + 8y)÷3
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