Cross Sections of Rectangular Prisms

Drag the blue points to see the different sections of the rectangular prism (cuboid).

Anthony Or. GeoGebra Institute of Hong Kong

Move the Rotate 1 slider to the left, labeled Horizontal and answer Question 1 below.

1. What is the shape of the cross section formed by slicing the Rectangular Prism horizontally?

Rectangle (2 sets of parallel lines, 4 90-degree angles) Square (4 equal sides, 4 90-degree angles) Trapezoid (4 sided shape, only 1 pair of parallel lines)

Move the Rotate 1 slider to the right, labeled Vertical and answer Question 2 below.

2. What is the shape of the cross section formed by slicing the Rectangular Prism vertically?

Trapezoid (4 sided shape, only 1 pair of parallel lines) Rectangle (2 sets of parallel lines, 4 90-degree angles) Square (4 equal sides, 4 90-degree angles)

Move the Rotate 1 slider to the middle, halfway between Vertical and Horizontal and answer Question 3 below.

3. What is the shape of the cross section formed by slicing the Rectangular Prism diagonally?

Square (4 equal sides, 4 90-degree angles) Rectangle (2 sets of parallel lines, 4 90-degree angles) Trapezoid (4 sided shape, only 1 pair of parallel lines)

Cross Sections of Rectangular Prisms

Move the Rotate 1 slider to the left, labeled Horizontal and answer Question 1 below.

Move the Rotate 1 slider to the right, labeled Vertical and answer Question 2 below.

Move the Rotate 1 slider to the middle, halfway between Vertical and Horizontal and answer Question 3 below.

Information: Cross Sections of Rectangular Prisms