Question

Find x.special 10A. 3B. 23√3- this is in fractionC. 6√3D. 3√3

Answer 1

First, we need to remember the cosine formula which is: cosine(theta)= adjacent/hypotenuse, now let's apply the formula to the triangle we have:

By using the formula we find that x=3√3 .

The answer is D.