How do I find the x and how do I round it to the nearest tenth?

Question

asked Jun 10, 2020 113k views

1 Answer

Shender · Answer 1 · 2020-06-15T05:34:14+0000

Answer:

x = 19.5 ( to the nearest tenth )

Explanation:

Since the triangle is right, we can use the cosine ratio to find x

cos46° =
(adjacent)/(hypotenuse) =
(x)/(28)

multiply both sides by 28

x = 28 × cos46° = 19.450 ≈ 19.5