07.6 - Radians on the Unit Circle
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Denise Lum
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 135° from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 3π/4
θ = 5π/6
θ = 2π/3
θ = π/2
Answer explanation
To convert 135° to radians, use the formula: radians = degrees × (π/180). Thus, 135° × (π/180) = 3π/4. Therefore, the correct answer is θ = 3π/4.
Tags
CCSS.HSF.TF.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 240° from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 4π/3
θ = 2π/3
θ = 3π/2
θ = π/2
Answer explanation
To convert 240° to radians, use the formula: radians = degrees × (π/180). Thus, 240° × (π/180) = 4π/3. Therefore, the correct answer is θ = 4π/3.
Tags
CCSS.HSF.TF.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 7π/5 from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 252°
θ = 180°
θ = 315°
θ = 210°
Answer explanation
To convert radians to degrees, use the formula: degrees = radians × (180/π). For θ = 7π/5, it becomes 7π/5 × (180/π) = 252°. Thus, the correct answer is θ = 252°.
Tags
CCSS.HSF.TF.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 11π/12 from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 165°
θ = 150°
θ = 120°
θ = 180°
Answer explanation
To convert radians to degrees, use the formula: degrees = radians × (180/π). For θ = 11π/12, it becomes 11π/12 × (180/π) = 165°. Thus, the correct answer is θ = 165°.
Tags
CCSS.HSF.TF.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 330° from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 11π/6
θ = 5π/6
θ = 7π/4
θ = 2π/3
Answer explanation
To convert 330° to radians, use the formula θ (radians) = θ (degrees) × π/180. Thus, 330° × π/180 = 11π/6. Therefore, the correct answer is θ = 11π/6.
Tags
CCSS.HSF.TF.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 270° from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 3π/2
θ = π/2
θ = π
θ = 2π
Answer explanation
To convert 270° to radians, use the formula: radians = degrees × (π/180). Thus, 270° × (π/180) = 3π/2. Therefore, the correct answer is θ = 3π/2.
Tags
CCSS.HSF.TF.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the angle θ = 15π/8 from degrees to radian measure or radians to degrees, whichever is appropriate. Fill in the blank with the correct answer.
θ = 337.5°
θ = 225°
θ = 315°
θ = 270°
Answer explanation
To convert θ = 15π/8 radians to degrees, use the formula: degrees = radians × (180/π). Thus, θ = (15π/8) × (180/π) = 337.5°. Therefore, the correct answer is θ = 337.5°.
Tags
CCSS.HSF.TF.A.1
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