In a right triangle, one acute angle is 18°. What is the other acute angle?
Correct answer(s):
- 72°
Subject
Trigonometry
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Quizzes in Trigonometry
A right triangle has side lengths 15, 20, and 25. What is the longest side called?
Correct answer(s):
- hypotenuse
In a right triangle, one acute angle is 24°. What is the other acute angle?
Correct answer(s):
- 66°
A right triangle has side lengths 7, 24, and 25. What is the longest side called?
Correct answer(s):
- hypotenuse
A right triangle has side lengths 10, 24, and 26. What is the longest side called?
Correct answer(s):
- hypotenuse
A right triangle has side lengths 3, 4, and 5. What is the longest side called?
Correct answer(s):
- hypotenuse
In a right triangle, one acute angle is 36°. What is the other acute angle?
Correct answer(s):
- 54°
In a right triangle, one acute angle is 72°. What is the other acute angle?
Correct answer(s):
- 18°
In a right triangle, one acute angle is 42°. What is the other acute angle?
Correct answer(s):
- 48°
A rotation of 180° is commonly called what?
Correct answer(s):
- half turn
A right triangle has side lengths 6, 8, and 10. What is the longest side called?
Correct answer(s):
- hypotenuse
In a right triangle, one acute angle is 30°. What is the other acute angle?
Correct answer(s):
- 60°
A rotation of 360° is commonly called what?
Correct answer(s):
- full turn
A right triangle has side lengths 5, 12, and 13. What is the longest side called?
Correct answer(s):
- hypotenuse
In a right triangle, one acute angle is 66°. What is the other acute angle?
Correct answer(s):
- 24°
In any right triangle, what is the sum of the two acute angles?
Correct answer(s):
- 90°
A rotation of 90° is commonly called what?
Correct answer(s):
- quarter turn
A right triangle has side lengths 8, 15, and 17. What is the longest side called?
Correct answer(s):
- hypotenuse
In a right triangle, what do we call the side directly across from the chosen acute angle?
Correct answer(s):
- opposite side
Which description best matches ‘full turn’?
Correct answer(s):
- a 360° turn