Question

what would be the rule of perimeter of an equilateral triangle​

Answer 1

Answer:

The length of the equilateral triangle's side is the length of the hypotenuse of the 30-60-90. Using this ratio, we find that the length of this triangle's hypotenuse is 4. Thus the perimeter of the equilateral triangle will be 4 multiplied by 3, which is 12.

Answer 2

sum of all sides...

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