Justify the following situation whether it is correct or not by showing a proof.
Situation: Marianne claims that the triangle on the coordinate plane shown below is an equilateral triangle. Do you agree with her? Why or why not?
Answer:
No, I totally dont agree with her that the triangle on the coordinate plane shown below is an equilateral triangle because an equilateral triangle is a triangle with all of its sides equal in its length. Seeing its coordinates, it is absolutely an isosceles triangle because the two sides of the triangle in the figure are both equal.
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