In a circle of radius 8 miles, the length of the arc that subtends a central angle of 1 radians is miles.

Question

In a circle of radius 8 miles, the length of the arc that subtends a central angle of 1 radians is ___   miles.

please explain fully so i can undertstand

Answer 1

An angle of 1 radian subtends an an arc of one radius. That is the definition.

Here the radius is 8 miles so an angle of 1 radian subtends an arc of 8 miles.