Answer is 120.
(Sorry if photo quality is bad. The camera on my device sucks.)
The Solution:
We are given the decimal below:

We are asked to express the given decimal as a fraction in its lowest term.

Therefore,
I need you to post a diagram.
However, you are describing a 30 60 90 triangle and here is a good page to learn about those: http://www.1728.org/trig2.htm
Answer:

Step-by-step explanation:
The Pythagorean Theorem is used to find a missing side length in a right triangle, and the formula
is used to find the missing side, assuming a and b are legs, while c is the hypotenuse.
Answer:
I think the answer is
Step-by-step explanation:
(D) OR (B)