Cross Sections & 3D Shapes

Front

What is a cross section?

Back

A cross section is the intersection of a solid object with a plane, resulting in a two-dimensional shape that represents a slice of the object.

Front

What shape is formed by the cross-section of a cylinder parallel to its base?

Back

Circle.

Front

What are the faces of a triangular prism?

Back

A triangular prism has 2 triangular faces and 3 rectangular faces.

Front

What is the difference between a rectangular prism and a cube?

Back

A rectangular prism has rectangular faces, while a cube has all square faces.

Front

What is the formula for the volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the shape of the horizontal cross-section of a cone?

Back

Circle.

Front

How many faces does a hexagonal prism have?

Back

A hexagonal prism has 8 faces: 2 hexagonal faces and 6 rectangular faces.

Front

What is the lateral surface area of a cylinder?

Back

Lateral Surface Area = 2πrh, where r is the radius and h is the height.

Front

What is a 3D shape with 6 rectangular faces called?

Back

Rectangular prism.

Front

What is the relationship between the base and height of a triangular prism?

Back

The area of the base triangle multiplied by the height gives the volume of the triangular prism.