Platonic solid

High school (ages 12+)
Mathematics & Numbers

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/platonic-solid

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the number of platonic solids?Exactly 5 regular convex polyhedra exist
2. What is the named for?Plato, ancient Greek philosopher who theorized they represented cosmic elements
3. How many Platonic solids are there?There are only five Platonic solids: the tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
4. Which Platonic solids have triangular faces?The tetrahedron, octahedron, and icosahedron all have triangular faces.

Convex Polyhedron: A 3D solid where all interior angles are less than 180 degrees, and any line segment connecting two points inside stays within the solid.
Regular Polygon: A polygon with all sides equal in length and all interior angles equal in measure.
Vertex Configuration: The arrangement of faces and edges around a single vertex of a polyhedron.