hdhdheehhx hdhdheehhx 28-05-2021 Mathematics contestada C is a circle with radius r. Which of the following is true? Select all that apply A. The diameter of C is 2r B.the circumference of C is pi*r C: the circumference of C is 2pi*r D. One quarter of the circle has length (pi*r)/4 E. One quarter of the circle has length(pi*r)/2