Question

Find FH.

F
640
н
G
10
Write your answer as an integer or as a decimal rounded to the nearest tenth.
FH =
Submit


Answer 1

FH ≈ 4.4

Explanation:

Using the cosine ratio in the right triangle

cos64° =
`(adjacent)/(hypotenuse)` =
`(FH)/(GH)` =
`(FH)/(10)` ( multiply both sides by 10 )

10 × cos64° = FH , then

FH ≈ 4.4 ( to the nearest tenth )