Question

ZB=
I
Round your answer to the nearest hundredth.
A
5
?
B

Answer 1

∠B = 36.87

Explanation:

Since you are trying to find the angle measurement, you must use the inverse of cosine:
`cos^(-1)` (you're using cosine because you have the opposite side and adjacent side):

`cos^-1(4/5)`

≈36.87