Question

Need help finding B for this triangle please

Answer 1

∠ B ≈ 52.9°

Explanation:

using the tangent ratio in the right triangle

tan B =
`(opposite)/(adjacent)` =
`(AC)/(BC)` =
`(9.9)/(7.5)` , then

B =
`tan^(-1)` (
`(9.9)/(7.5)` ) ≈ 52.9° ( to the nearest tenth )