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MATHEMATICS MISSIONS / CHALLENGE 03

3D Geometry Slice Explorer

Predict the 2D cross section created when a plane slices a 3D solid.

YOUR MATH BADGES0 / 12Problem solver
∑ SECTION SCANNERManipulate. Predict. Prove it visually.+1 MATH BADGE
INTERACTIVE 3D GEOMETRYREADY
Drag to orbit · amber line is the section
SolidCylinder
PlaneHorizontal
Cross-sectionCircle
The graph uses equal coordinate scale where geometry requires it. Values update directly from the displayed equations.
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Free online cross sections of 3D shapes interactive

3D Geometry Slice Explorer: experiment guide

This browser-based 3d simulation helps you predict the 2D cross section created when a plane slices a 3D solid. Designed for Grades 7–12, it turns an abstract idea into a model you can control, measure, reset, and test without signing up.

What you can investigate

Explore Cross sections, solids, planes, geometry by changing the available controls and comparing the model’s visual and numerical evidence. Try one variable at a time, then combine changes to test a stronger explanation.

Cross sectionssolidsplanesgeometry

How to use this simulation

  1. 1Read the mission and make a prediction before moving a control.
  2. 2Change one variable so its effect is easier to identify.
  3. 3Run the model and record a value, pattern, or visible change.
  4. 4Reset, test a different setup, and explain the result from evidence.

For students, teachers, and independent study

A typical investigation takes 7–12 min. Use it as a lesson demonstration, a guided inquiry activity, a homework experiment, or a quick review. The simulation runs in a modern web browser and does not require an account.

Level
Intermediate
Time
7–12 min
Format
3D simulation

Common questions

What does the 3D Geometry Slice Explorer teach?

Predict the 2D cross section created when a plane slices a 3D solid. The main ideas are Cross sections, solids, planes, geometry.

Is the 3D Geometry Slice Explorer free to use?

Yes. You can run the simulation online for free without creating an account.

How long does the activity take?

Most learners can complete one investigation in 7–12 min. You can repeat it to compare more variables or improve your explanation.