Question

Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth.

Answer 1

Use the rule of sins: You know the last angle (bottom right) is 180-90-20 = 70

So do:

\[\frac{ Sin 70}{ x } = \frac{ Sin 20 }{ 9 }\]

Answer 2

is the answer 24.1?

Answer 3

Yup :D