<span>1. Diagonal cross section of a cylinder </span><span>c.ellipse </span><span> 2.Cross section parallel to the base of a cone </span><span>d.circle </span><span> 3.Shape created when a semi-circle is rotated about the y-axis </span><span>e.sphere </span><span> 4.Diagonal cross section through the widest part of a sphere </span><span>b.great circle </span><span> 5.Perpendicular cross section of a cone </span>a.triangle
