Radian measure and conversion
Convert between degrees and radians, and solve arc length problems using radian measure. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
Convert 135 degrees to radians. Give an exact answer in terms of pi.
Answer: 3pi/4
See one solved, step by step
Convert 5pi/4 radians to degrees.
📘 Worked solution
15pi/4 · 180/πMultiply the radian measure by 180/pi to convert to degrees.
2= 5 · 1804 = 225°The pi's cancel, leaving a degree value.
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