Question

help me please

Answer 1

Use trigonometry.

Answer 2

You already know a side and an angle. So use the proper one out of sine, cosine and tangent.

Answer 3

You MUST recognize and utilize a 30-60-90 Right Triangle. The ratios of the sides are well-known and should be memorized.

Answer 4

Don't you know about trigonometry?

Answer 5

B will be the answer if you give it a try.

Answer 6

The answer is B :) good luck

Answer 7

The ratios of the sides of a 30-60-90 Right Triangle are:

\(Short:Long:Hypotenuse::1:\sqrt{3}:2\)