Platonic Solids
by Anonymous
Rotate the five Platonic solids to count faces, vertices and edges, and check that V-E+F=2 always holds.
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About this app
Platonic Solids is an interactive math learning app about the five regular polyhedra: tetrahedron, cube, octahedron, dodecahedron, and icosahedron. Explore each solid, count its faces, vertices, and edges, and verify that Euler’s formula V − E + F = 2 holds for all five. A guided challenge mode lets learners answer counting questions with step-by-step feedback.
Use cases
- Elementary students learning solid geometry
- Teachers introducing Platonic solids and Euler’s formula
- Parents practicing faces, vertices, and edges with children
- Learners reviewing sixth-grade geometry through interactive challenges
Features
- Browse all five Platonic solids with next and previous controls
- View each solid’s face type and counts of faces, vertices, and edges
- Check Euler’s formula for each solid with displayed calculations
- Complete guided missions across Explore, Euler, and Challenge sections
- Adjust numerical answers with plus or minus buttons and receive feedback