Question

Instructions: Find the measure of the indicated angle to the nearest

degree.
19
?
8
=

Answer 1

? ≈ 65°

Explanation:

Using the cosine ratio in the right triangle

cos? =
`(adjacent)/(hypotenuse)` =
`(8)/(19)` , then

? =
`cos^(-1)` (
`(8)/(19)` ) ≈ 65° ( to the nearest degree )