Radians and degrees

Exercise and reference answers

Questions

1. Question

   π radians in degrees is

   Choices

   1. 180
   2. 90
   3. 360

   Correct choice

   180

2. Question

   2π radians in degrees is

   Choices

   1. 180
   2. 360
   3. 720

   Correct choice

   360

3. Question

   90 degrees in radians is

   Choices

   1. π
   2. π/4
   3. π/2

   Correct choice

   π/2

4. Question

   To go from degrees to radians, multiply by

   Choices

   1. π/180
   2. 180/π
   3. π

   Correct choice

   π/180

Explanation