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For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is tan of the angle?
Correct answer(s):
- 2/2
For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is cos of the angle?
Correct answer(s):
- 2/3
For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is sin of the angle?
Correct answer(s):
- 2/3
For an acute angle in a right triangle, opposite = 1, adjacent = 1, and hypotenuse = 2. What is tan of the angle?
Correct answer(s):
- 1/1
For an acute angle in a right triangle, opposite = 1, adjacent = 1, and hypotenuse = 2. What is sin of the angle?
Correct answer(s):
- 1/2
Which ratios are less than or equal to 1 for acute angles?
Correct answer(s):
- sine
- cosine
Which statements are true for similar right triangles?
Correct answer(s):
- Matching angles are equal
- Matching side ratios are equal
- Trigonometric ratios for matching angles match
Which are standard special angles often used in beginning trigonometry?
Correct answer(s):
- 30°
- 45°
- 60°
Which side names depend on the chosen acute angle?
Correct answer(s):
- opposite
- adjacent
Which angle measures can be acute angles in a right triangle?
Correct answer(s):
- 30°
- 45°
- 60°
Which angle measures are acute?
Correct answer(s):
- 25°
- 89°
Which ratios use the hypotenuse?
Correct answer(s):
- sine
- cosine
Which statements are true about the hypotenuse of a right triangle?
Correct answer(s):
- It is opposite the right angle
- It is the longest side
A right-triangle model has vertical height 9 m and horizontal distance 16 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 9/16
A right-triangle model has vertical height 6 m and horizontal distance 11 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 6/11
A right-triangle model has vertical height 5 m and horizontal distance 9 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 5/9
A right-triangle model has vertical height 2 m and horizontal distance 5 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 2/5
A right-triangle model has vertical height 20 m and horizontal distance 21 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 20/21
A right-triangle model has vertical height 15 m and horizontal distance 20 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 15/20
A right-triangle model has vertical height 12 m and horizontal distance 16 m from the chosen angle. What is the tangent ratio of the chosen angle?
Correct answer(s):
- 12/16