Which statements about the arcs and angles are true? Select three options. ∠EFD ≅ ∠EGD ∠EGD ≅ ∠ECD Arc E D is-congruent-to arc F D mArc E F = 60° mArc F D = 120°

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.