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Radians and Degrees Conversion Worksheet

Convert between radians and degrees, understand angle measurement, and solve related problems.

Grade 9 Math TrigonometryRadians and Degrees
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Includes

Fill in the Blanks3 Short AnswerMultiple ChoiceCustom

Standards

CCSS.MATH.CONTENT.HSG.SRT.D.8CCSS.MATH.CONTENT.HSF.TF.A.1
8 sections · Free to use · Printable
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Radians and Degrees Conversion

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Date:

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Read each question carefully and provide your answers in the space provided. Show all your work for full credit.

1. There are   degrees in a full circle.

2. There are   radians in a full circle.

3. To convert degrees to radians, you multiply by  .

4. To convert radians to degrees, you multiply by  .

Convert the following degree measures to radians. Express your answers in terms of π.

1. 45°

2. 120°

3. 270°

4. 330°

Convert the following radian measures to degrees.

1. π/6

2. 3π/4

3. 5π/3

4. 7π/2

1. Which of the following is equivalent to 60°?

a

π/2 radians

b

π/3 radians

c

π/4 radians

d

π/6 radians

2. An angle of 2π radians is equal to:

a

90°

b

180°

c

270°

d

360°

1. A Ferris wheel completes one full rotation every 30 seconds. Through what angle, in radians, does a rider travel in 5 seconds?

2. An angle in a triangle measures 75°. What is this angle in radians?

Use the protractor to estimate the degree measure of the given angle. Then convert your estimated degree measure to radians.

Protractor with an angle

Estimated Degree Measure:  

Radian Measure: