Question

An equilateral triangle is a triangle that has three sides of the same length. the perimeter of an equilateral triangle is 48.6 centimeters. use an equation to find the length of each side.

Answer 1

Hey there,
Equilateral Triangle means that all 3 sides have the same and equal length.
3 side = 48.6 cm
1 side = 48.6 / 3 
          = 16.2 cm

Hope this helps :))

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Answer 2

We know that a triangle has three sides, all the same length (its equilateral, after all)

The equation to find the length of each side is

Perimeter divided by 3

or in this case

48.6 divided by 3=16.2cm (don't forget the unit)

Hope that helps :)