Question

Solve for x in the Triangle. Round your answer to the nearest tenth


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Answer 1

x ≈ 4.4

Explanation:

Using the cosine ratio in the right triangle

cos70° =
`(adjacent)/(hypotenuse)` =
`(x)/(13)` ( multiply both sides by 13 )

13 × cos70° = x , then

x ≈ 4.4 ( to the nearest tenth )

Answer 2

Isn’t it that famous 5,12,13 triangle? If it is then x=5.