An equalateral triangle is just a triangle, which it’s sides are all equal. if the sides = 3x, to find x you figure out what you can multiply 3 by, 3 times that’ll give you a total of 18. 3(2) = 6. & 6(3)=18 therefore your answer is 2 because if you multiply 3 by 2, 3xs it’ll give you a total of 18.
