The value of x can be found using the sine function.
sin 30 = x/8
8 (sin 30) = x
4 = x
Answer:
The length of the legs of the triangle is 8 units.
Step-by-step explanation:
45-45-90 triangle
A 45-45-90 triangle is a special case of a right triangle in which both legs l have the same value and the hypothenuse is h. By the Pythagorean Theorem:

Hypothenuse of 8 V2
This means that 
So






The length of the legs of the triangle is 8 units.