Question

What does X equal in this 30-60-90 triangle?

Answer 1

19/2, or 9.5

Explanation:

It's half of the longest side (You can see by flipping the triangle on the side between the 30 and the 90 angle, and notice that you get two halves of an equilateral triangle). In our case, its
`\frac {19}2 = 9.5`