Question

What is a radian?

a radius that is 3. 14 inches long

an angle measure with an arc length equal to one diameter length

an arc length that is the length of one diameter

an angle measure with an arc length equal to one radius length

Answer 1

The correct option is "an angle measure with an arc length equal to one radius length"

When finding radians, use this formula below.

Degrees × π/180