Dustin says that FGH is an equilateral triangle because the sides appear to be the same length. Is his reasoning valid? Explain

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Mathematics

Clark

5 February, 04:39

Dustin says that FGH is an equilateral triangle because the sides appear to be the same length. Is his reasoning valid? Explain

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Johan Alvarado · Answer 1

His reasoning is not valid because they might actually appear to be equal to his sight, but should he measure them they might not exactly be.

So he just can't look at it and conclude. He can say it is equilateral if each angles measures 60 degrees.