Angles in degrees and radians - quiz review
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200° is coterminal with
-160°
140° is coterminal with
-220°
-1.38 radians to °
-79°
-170° has a reference angle of
10°
4π/5 radians to °
144°
5π/6 radians to °
150°
12π/13 radians to °
166°
330° has a reference angle of
30°
6.02 radians to °
344°
300° to radians
5π/3 radians
65° has a reference angle of
65°
250° has a reference angle of
70°
140° to radians
7π/9 radians
100° has a reference angle of
80°
radian
Arc length divided by radius
To convert to degrees
multiply by 180/π
To convert to radians
multiply by π/180
20° to radian measure
π/9 radians