Example 4

Solve the right triangle below. Round sides to the nearest thousandth.
[list=1][br][*]Find the measures of [math]\overline{AC}[/math] and [math]\overline{AB}[/math].[br][*]Use the cosine function based on the given information.[br][*]Use the Pythagorean Theorem to check your trigonometry calculations.[br][*]Find the value of [math]\angle A[/math].[br][*]Use the inverse trigonometric function since you are solving for an angle measure.[br][/list][br][br]This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.

Information: Example 4