Question

Need help solving this

Answer 1

x ≈ 41.6°

Explanation:

Using the tangent ratio in the right triangle

tan x =
`(opposite)/(adjacent)` =
`(JK)/(KL)` =
`(80)/(90)` =
`(8)/(9)` , then

x =
`tan^(-1)` (
`(8)/(9)` ) ≈ 41.6° ( to the nearest tenth )