Math Vocabulary Quiz on 2D and 3D Figures

What is a sphere?

• A two-dimensional shape

• A solid with a square base

• A three-dimensional geometric object that is round in shape

• A shape with two parallel circular bases

What does the radius of a sphere represent?

• The volume of the sphere

• The height of the sphere

• The total area of the sphere

• The distance from the center to the edge

What is the formula for the volume of a cylinder?

• 2 × πr²

• 2/3 × πr³

• 4/3 × πr³

• πr² × h

What is a hemisphere?

• A half of a sphere

• A two-dimensional circle

• A three-dimensional shape with a square base

• A full sphere

What is the slant height of a pyramid?

• The area of the base surface

• The height from the base to the apex

• The distance from the base to the center

• The distance from the apex to the edge of the base

What is the formula for the total surface area of a pyramid?

• Base area + 4 (½ x base x height)

• ⅓ x base area x height

• 2 × πr²

• πr² + πrl

What defines a circular cone?

• A cone with a square base

• A cone with a circular base

• A cone with an elliptical base

• A cone with a triangular base

What is the circumference of a circle?

• The area of the circle

• The distance around the circle's boundary

• The diameter of the circle

• The radius of the circle

What is the formula for the volume of a cone?

• 1/3 × Base Area × Height

• 2 × πr²

• 4/3 × πr³

• πr² + πrl

What is a frustum?

• A triangular prism

• A solid with a circular base

• A portion of a cone or pyramid cut off by a plane

• A solid with a square base