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Cross Sections of Triangular Pyramids

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?

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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?

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  • A
  • B
  • C
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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?

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  • A
  • B
  • C
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