Radians Grade 12 Math
What is a Radian?
The radian is a unit of angle measurement, equal to an angle at the center of a circle whose arc is equal in length to the radius.
The Unit Circle and Special Triangles
This background is an example of a special triangle in the unit circle. Although this is a special triangle in the unit circle it has an angle in degrees. Scroll down to learn how to convert degrees into radians.
1 degree = (π/180) rad
1 rad = (180 degrees/π)
How to Convert π Radians to Degrees?
In order to convert 130 degrees to radians you must.....
In order to convert 1.2π radians to degrees you must....
Practice
Convert the equations below into radians
A) 145 degrees B) 310 degrees C) 170 degrees D) 290 degrees
Convert the equations below Into radians
A) 4 rad B) 3 rad C) 1.3 rad D) 2.7 rad
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