Practice Trigonometry In Right Triangles (8)

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10 questions

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6 sample questions

Question 1.
What is the sine of angle A if the opposite side is 5 and the hypotenuse is 12?
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Use the formula sin(A) = opposite/hypotenuse.
Question 2.
If the adjacent side is 9 and the hypotenuse is 15, what is cos(B)?
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Use cosine formula.
3Question 3.
What is sin(30°)?
- 0.5
- 0.75
- 1
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Think of common angle values.
4Question 4.
Is tan(A) always positive in a right triangle?
- True
- False
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Consider the definition of tangent.
Question 5.
A right triangle has a hypotenuse of 25 and one leg measures 20. Find the length of the other leg, the sine, and cosine of the angles.
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Calculate using the Pythagorean theorem first.
Question 6.
For a right triangle where angle Y is 45°, calculate the lengths of the sides if the hypotenuse is 10.
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Use properties of 45° triangles.

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