Radians & Degrees

Front

How many radians does a circle have?

Back

2π radians

Front

Convert π radians to degrees.

Back

180°

Front

What is 10° in radians?

Back

π/18

Front

Convert 100° to radians.

Back

5π/9

Front

What direction do negative angles rotate?

Back

clockwise ("down")

Front

What is the relationship between degrees and radians?

Back

Degrees can be converted to radians by multiplying by π/180.

Front

What is the radian measure of a right angle?

Back

π/2 radians

Front

How do you convert radians to degrees?

Back

Multiply the radian measure by 180/π.

Front

What is the radian measure of a full circle?

Back

2π radians

Front

What is the degree measure of π/4 radians?

Back

45°