Radian and Angle Conversion

Front

What is the formula for the circumference of a circle in terms of radians?

Back

The circumference of a circle is given by the formula: C = 2π radians.

Front

What is a coterminal angle?

Back

Coterminal angles are angles that share the same terminal side when drawn in standard position. They can be found by adding or subtracting multiples of 360 degrees or 2π radians.

Front

How do you convert degrees to radians?

Back

To convert degrees to radians, multiply the degree measure by π/180.

Front

How do you convert radians to degrees?

Back

To convert radians to degrees, multiply the radian measure by 180/π.

Front

What is the coterminal angle of 280 degrees?

Back

The coterminal angle of 280 degrees is -80 degrees.

Front

What is the relationship between radians and degrees?

Back

1 radian is approximately 57.2958 degrees.

Front

What is the angle in radians for a full circle?

Back

A full circle is 2π radians.

Front

What is the angle in degrees for a right angle?

Back

A right angle is 90 degrees.

Front

What is the angle in radians for a right angle?

Back

A right angle is π/2 radians.

Front

How many radians are in a semicircle?

Back

A semicircle is π radians.