A rotation of 180° is commonly called what?
Correct answer(s):
- half turn
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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
Which description best matches ‘half turn’?
Correct answer(s):
- a 180° turn
Which description best matches ‘quarter turn’?
Correct answer(s):
- a 90° turn
Which description best matches ‘protractor’?
Correct answer(s):
- a tool used to measure angles
Which description best matches ‘degree’?
Correct answer(s):
- a unit used to measure angles
Which description best matches ‘perpendicular lines’?
Correct answer(s):
- lines that meet at a right angle
Which description best matches ‘vertical line’?
Correct answer(s):
- a line that goes up and down
Which description best matches ‘horizontal line’?
Correct answer(s):
- a line that goes left to right
For an acute angle in a right triangle, opposite = 18, adjacent = 24, and hypotenuse = 30. What is cos of the angle?
Correct answer(s):
- 24/30
For an acute angle in a right triangle, opposite = 18, adjacent = 24, and hypotenuse = 30. What is sin of the angle?
Correct answer(s):
- 18/30