Question 1 : Match the Term with the correct Definition

Ellipse A) diagonal cross-section through the widest part of a sphere
Circle B) shape created when a semi-circle is rotated about the y−axis
Sphere C) diagonal cross-section of a cylinder
Great circle D) cross-section parallel to the base of a cone
Triangle E) perpendicular cross-section of a cone

Question 2: Which two-dimensional shape can be rotated about the y-axis to create a cone?

Question 3: The cross-section of a square pyramid taken perpendicular to the base that passes through the top vertex produces which two-dimensional shape?