
In a 306090 triangle, the sides are in a ratio of x, x√3, and 2x
x is across from the 30° angle
x√3 is across from the 60° angle
2x is the hypotenuse
x = 4
x√3 = 4√3 ← substituted
2x = 8 ← substiutued
the other leg is 4√3
the hypotenuse is 8
 Proof
