Question

one side of an equilateral triangle is 3x-y².its perimeter is​

Answer 1

In equilateral triangle all sides are equal so perimeter is 3(side)

Perimeter=3(3x-y2)

9x-3y2

Answer 2

side = 3x-y²

in a equilateral triangle, we know that all the sides are equal.

Perimeter of a equilateral triangle = 3(a) {as a+a+a}

perimeter = 3(3x-y²)

perimeter = 9x-3y²

hope it helps

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