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GeoGebra Klaslokaal

Cross Sections of Triangular Pyramids

Auteur:MrsBond, Anthony OR 柯志明

Onderwerp:Piramide

Drag the blue points to see the different sections of the triangular pyramid.

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 pyramid horizontally?

Vink alles aan wat van toepassing is

A
Rectangle (2 sets of parallel lines, 4 90-degree angles)
B
Triangle (3 sided polygon)
C
Trapezoid (4 sided shape, only 1 pair of parallel lines)

Controleer mijn antwoord (3)

Move BOTH rotate sliders to the right. Rotate 1 slider should be moved so it's labeled Vertical. Answer Question 2 below.

2. What is the shape of the cross section formed by slicing the rectangular pyramid vertically?

Vink alles aan wat van toepassing is

A
Rectangle (2 sets of parallel lines, 4 90-degree angles)
B
Triangle (3 sided polygon)
C
Trapezoid (4 sided shape, only 1 pair of parallel lines)

Controleer mijn antwoord (3)

Move Rotate 1 slider to the MIDDLE and keep Rotate 2 slider to the RIGHT. Answer Question 3 below.

3. What is the shape of the cross section formed by slicing the rectangular pyramid diagonally so it cuts through one side face AND the Base?

Vink alles aan wat van toepassing is

A
Rectangle (2 sets of parallel lines, 4 90-degree angles)
B
Triangle (3 sided polygon)
C
Trapezoid (4 sided shape, only 1 pair of parallel lines)

Controleer mijn antwoord (3)

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