Question 1

How do you convert from degrees to radians?

Accepted Answer

Multiply by (pi/180)

Answer

Multiply by (180/pi)

Question 2

What is the reference angle for a 240 degree angle?

Accepted Answer

60 degrees

Answer

-30 degrees

Answer

30 degrees

Question 3

Approximately how many radians is the angle shown in the diagram?

Accepted Answer

(3 pi/4) rad

Answer

(5 pi/6)

Answer

(-pi/6)

Answer

(-pi/4)

Question 4

(5 pi/6) is how many degrees?

Accepted Answer

150

Question 5

Positive angles are determined by a ____ rotation.

Accepted Answer

Counterclockwise

Answer

Clockwise

Question 6

1 degree is equal to ____.

Accepted Answer

60'

Answer

60''

Answer

(1/60)'

Question 7

Convert 50 degrees 6'21'' to a decimal in degrees.  Round the answer to 4 decimal places.

Accepted Answer

50.1058

Question 8

Convert 21.256 degrees to the DMS notation.  Round your answer to the nearest second.

Accepted Answer

21 degrees 15'22''

Answer

21 degrees 0' 15"

Answer

21 degrees  15'1296"

Question 9

An angle, theta, is in ______ ______ if its vertex is at the origin and its initial side coincides with the positive x-axis.

Accepted Answer

standard position

Answer

coterminal position

Answer

reference angle

Answer

counterclockwise position

Question 10

A ______ ______ is a positive angle whose vertex is at the center of a circle.

Accepted Answer

central angle

Answer

coterminal angle

Answer

inscribed angle

Question 11

180 degrees = _____

Accepted Answer

pi radians

Answer

2 pi radians

Answer

(pi/2) radians

Answer

(3 pi/2) radians

Related quizzes