Problem

A circle is centered on point B. Points A, C and D lie on its circumference.
If start color blue, angle, A, B, C, end color blue measures 40, degree, what does start color orange, angle, A, D, C, end color orange measure?
  • Your answer should be
  • an integer, like 6
  • 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
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
degree