Question

In the right triangle, angle B equals 60° and AB equals 18

How long is AC?
I'm stuck!

Answer 1

AC = 15.588

Explanation:

(all rounded to nearest thousandth)

sin(60) = x/18

first solve: sin(60) = 0.866

0.866 = x/18

multiply 18 on both sides

x = 15.588