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r-ruslan [8.4K]
3 years ago
6

In the triangle below, y= . Round to the nearest tenth

Mathematics
2 answers:
horsena [70]3 years ago
8 0

Use cosine.

cosine={adjacent}{hypotenuse}

We have:

adjacent = 9cm and hypotenuse = 17 cm

\cos x=\dfrac{9}{17}\approx0.5294\to x\approx58^o

qwelly [4]3 years ago
4 0

Answer:

x = 58°

Step-by-step explanation:

In the given right angle triangle we have to find the value of x.

In this triangle one leg is given as 9 cm and hypotenuse is 17 cm.

Since  cos x = \frac{\text{Adjacent leg}}{Hypotenuse}

          cos x = \frac{9cm}{17} = 0.52941

               x = cos^{-1} (0.52941)

                  = 58.03  ≈ 58°

Therefore, x = 58° is the answer.

                         

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