Question

the altitude of an equilateral triangle is 6 units long. the length of one side of the triangle is ____ units

Answer 1

see attachment
altitute is 6
draw altitude
makes a right triangle

hyptonuse=side of triangle
3 and 6 are legs
a^2+b^2=c^2
3^2+6^2=c^2
9+36=c^2
45=c^2
sqrt both sides
3√5=c


the legnth of 1 side is 3√5 units (or aprox 6.708 units)