saeed is exploring two-dimensional figures in his art class. which of the following shapes is created when he slices a sphere horizontally?

a. oval
b. circle
c. rectangle
d. triangle

b. circle

if the radius of a sphere is 5 inches, which of the following is true?

a. the diameter of the sphere is 15 inches
b. the center of the sphere is 2.5 inches away from the surface of the sphere
c. the center of the sphere is 10 inches away from the surface of the sphere
d. the diameter of the sphere is 10 inches

a. the diameter of the sphere is 10 inches

(Diameter = 2 x radius)