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Given that x = 9.2 m and θ = 15°, work out AC rounded to 3 SF​

Given that x = 9.2 m and θ = 15°, work out AC rounded to 3 SF​-example-1

1 Answer

5 votes

Answer:

AC ≈ 9.52 m

Explanation:

Using the cosine ratio in the right triangle

cos15° =
(BC)/(AC) =
(9.2)/(AC) ( multiply both sides by AC )

AC × cos15° = 9.2 ( divide both sides by cos15° )

AC =
(9.2)/(cos15) ≈ 9.52 m ( to 3 sf )

User Erik Noren
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