Choose the best definition of arc length. The angle made by taking the radius and wrapping it round the circle. The distance along the arc (part of the circumference of a circle, or of any curve). O...

Extracted text: Choose the best definition of arc length. The angle made by taking the radius and wrapping it round the circle. The distance along the arc (part of the circumference of a circle, or of any curve). O The size of a surface. The amount of space inside the boundary of a flat (2-dimensional) object such as a triangle or circle. The distance around the edge of a circle (or any curvy shape). It is a type of perimeter.