Solve problems related to radians and arc length like finding an arc length given the central angle and radius.


An arc subtends a central angle measuring start fraction, pi, divided by, 2, end fraction radians.
What fraction of the circumference is this arc?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
of the circumference