What is a radian?



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

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

C) an arc length that is the length of one diameter

D) a radius that is 3.14 inches long

Respuesta :

Answer:

The answer is A

Step-by-step explanation:

The answer is A. A radian is an angle whose corresponding arc in a circle is equal to the radius of the circle.