Think Radian Worksheet

Name:

1. What is the circumfrence?

9. The minute hand of a clock travels how many radians in 5 minutes?

r 10. The measure of θ (in radians):

2. If you measured the circumfrence in terms of the circle’s own radius (r), how many are there going once around the circle (360◦ )

3. How many radians are there in 360◦ ?

θ θ

11. What is the measure of θ (in radians)?

4. How many radians are there in a straight angle (180◦ )?

θ ?

5. How many radians in a right angle?

6. How many radians is each angle of an equalateral triangle? 12. What is the measure of θ (in radians)? 7. The minute hand of a clock travels how many radians in 15 minutes? θ ? -

8. The minute hand of a clock travels how many radians in 10 minutes?

13. What is the measure of θ (in radians)?

17. What is the measure of θ (in radians)?

θ

θ

?

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14. What is the measure of θ (in radians)?

18. What is the measure of θ (in radians)? θ / x 5x ?

=θ ?

19.

π radians is how many degrees? 3

20.

π radians is how many degrees? 6

21.

π radians is how many degrees? 2

22.

π radians is how many degrees? 4

23.

3π radians is how many degrees? 4

24.

2π radians is how many degrees? 3

15. What is the measure of θ (in radians)?

kθ ?

16. What is the measure of θ (in radians)?

θ

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