Degrees and Radians

Front

Convert 720 degrees to radians.

Back

4π

Front

What is 225 degrees in radians?

Back

5π/4

Front

Convert -8π/5 radians to degrees.

Back

-288 degrees

Front

What is 7π/4 radians in degrees?

Back

315 degrees

Front

What are the positive and negative coterminal angles of -225 degrees?

Back

135 degrees, -585 degrees

Front

Define radians.

Back

A radian is the angle subtended at the center of a circle by an arc equal in length to the radius of the circle.

Front

How many degrees are in one full rotation?

Back

360 degrees.

Front

How many radians are in one full rotation?

Back

2π radians.

Front

What is the formula to convert degrees to radians?

Back

Radians = Degrees × (π/180).

Front

What is the formula to convert radians to degrees?

Back

Degrees = Radians × (180/π).