Question

How do I express the area of an equilateral triangle as a function of the length of a side?

Answer 1

do you know the 30-60-90 rule?

Answer 2

yes

Answer 3

I have trouble with functions and I'm exactly sure how to do this one.

Answer 4

notice that all sides are equal, so all the internal angles are equal
sum of internal angles is 180, so 180 divided equally by 3 => 180/3 = 60

so each internal angle is 60 degrees

so what's the HEIGHT?

Answer 5

I'm not sure