Question

- A radian is the measure of the central angle of an arc of a circle whose length is equal to the a) half of radius of a circle b) diameter of a circle c) one-third of radius of a circle d) radius of a circle​

Answer 1

Answer:

(d) Radius of a Circle

Step-by-step explanation:

One radian is defined as the angle subtended from the center of a circle which intercepts an arc equal in length to the radius of the circle. More generally, the magnitude in radians of a subtended angle is equal to the ratio of the arc length to the radius of the circle; that is, θ = s/r, where θ is the subtended angle in radians, s is arc length, and r is radius.