This is a 30-60-90 triangle.
What is the measure of x?
18
х
X=
= [?]
? ? VI

Answer:
x = 9 units
Step-by-step explanation:
The sides of a 30-60-90 triangle are a=x, b= x sqrt 3, and the hypotenuse 2x
Hypotenuse = 18
2x = 18 18/2 = 9