Answer:
x ≈ 48.2°
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos x =
=
, then
x =
(
) ≈ 48.2° ( to the nearest tenth )
14.50 times 0.20 = 2.9
He would give a $2.90 as a tip of 20% from a bill of $14.50
You have to label it but try 1 and 1/4, -1 and 1/4,2, and -2
104/-120
=-13/15
Devishri1977 gave a better example of how she got to the answer