Question

Please help me on this! I’ve been stuck on this since yesterday. I need help. :(

Answer 1

x ≈ 48.6°

Explanation:

using the sine ratio in the right triangle

sin x =
`(opposite)/(hypotenuse)` =
`(21)/(28)` =
`(3)/(4)` , then

x =
`sin^(-1)` (
`(3)/(4)` ) ≈ 48.6° ( to the nearest tenth )