Question

Please help
explanation to

Answer 1

∠ A ≈ 32°

Explanation:

using the tangent ratio in the right triangle

tanA =
`(opposite)/(adjacent)` =
`(BC)/(AB)` =
`(5)/(8)` , then

∠ A =
`tan^(-1)` (
`(5)/(8)` ) ≈ 32° ( to the nearest degree )