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22 votes
Solve for X. Round to nearest tenth.

Solve for X. Round to nearest tenth.-example-1
User Tfovid
by
6.3k points

2 Answers

9 votes

Answer:

x ≈ 11.3

Explanation:

using the cosine ratio in the right triangle

cos61° =
(DE)/(DF) =
(5.5)/(x) ( multiply both sides by x )

x × cos61° = 5.5 ( divide both sides by cos61° )

x =
(5.5)/(cos61) ≈ 11.3 ( to the nearest tenth )

User Vmenezes
by
6.5k points
8 votes

Answer:

x = 11.3

Explanation:


cos(61^(o) )=(5.5)/(x)


x=(5.5)/(cos(61^(o)) ) =11.34

Rounded to the nearest tenth:

x = 11.3

Hope this helps

User Rakibul Islam
by
6.3k points
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