Measure the angle below in radians using a wiki stick Measur

Measure the angle below in radians using a wiki stick. Measured in standard position. Measure the angle below in radians using a wiki stick. Measured in standard position

Solution

I dont have a stick but heres my guess for the angle....

21)
45 degrees

In radian, this would be : 45 * pi/180

pi/4 radians

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22)
120 degrees

120 * pi/180

2pi/3 radians