Find x. Round to the nearest tenth A: 5.0 B: 7.8 C: 3.9 D: 4.6

Question

asked Aug 17, 2022 101k views

1 Answer

Henrik Gustafsson · Answer 1 · 2022-08-23T04:32:59+0000

Answer:

D

Explanation:

Using the cosine ratio in the right triangle

cos40° =
(adjacent)/(hypotenuse) =
(x)/(6) ( multiply both sides by 6 )

6 × cos40° = x , then

x ≈ 4.6 ( to 1 dec. place ) → D