3 years ago

An equilateral triangle has a perimeter of 9x+6. What is the length o each side of the triangle?

2 answers:

5 0

If the length is X

X+X+X = 9X+6

3X=9X+6

-6X=6

X=-1

but because length can't be negative X=1

3 0

Divide it all by 3:
9x + 6 / 3 = 3x + 2
Each side is equal to 3x + 2

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