The height of the equilateral triangle below is 15 units. What is the value of x?
 An equilateral triangle is shown. A perpendicular bisector cuts the triangle into 2 equal parts. They hypotenuse has a measure of x.
 15 StartRoot 3 EndRoot
 30 StartRoot 3 EndRoot
 StartFraction 15 Over StartRoot 3 EndRoot EndFraction
 StartFraction 30 Over StartRoot 3 EndRoot