1 Answer

FraserOfSmeg · Answer 1 · 2024-03-23T14:40:06+0000

Answer:

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 )

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