Find the (linear) distance between two points on a circle of radius 4 if they are separated by an arc length of 4π/ 3 .

Answer 1

Lets say that one of the points is located at (4,0). A possibility for the other point (using polar coordinates) is (4cos(4π/3), 4sin(4π/3)) = (-2, -2√3).

Use the distance formula to determine the straight line distance between those points.