# polyhedron question, soccer ball.

**Question description**

Some balls are made from panels that suggest polygons. A soccer ball suggests a polyhedron with 20 regular hexagons and 12 regular pentagons. How many vertices does this polyhedron have?

• How can you determine the number of edges in a solid if you know the types of polygons that form the faces?

• What relationship can you use to fi nd the number of vertices?

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