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IgorLugansk [536]
3 years ago
11

Solving the missing side. Find the missing side. Round to the nearest tenth. Please show your work. Part 3. #9-10

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
4 0

Answer:

9. 16.6 units

10. 18.1 units

Step-by-step explanation:

9. We are given the opposite and adjacent sides of the angle 38 degrees, so we want to use tangent, which is opposite / adjacent:

tan(38)=13/x

x=13/tan(38) ≈ 16.6 units

10. We are given the adjacent and hypotenuse sides of the angle 25 degrees, so we want to use cosine, which is adjacent / hypotenuse:

cos(25)=x/20

x=20*cos(25) ≈ 18.1 units

Hope this helps!

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