The rhombicosidodecahedron, or small rhombicosidodecahedron, is known as an Archimedean solid. It is one of thirteen convex solids made of two or more types of regular polygon faces. Polygons are shapes with at least 3 straight sides and angles. In regular polygons all the sides and angles are the same size. It has 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, 60 vertices, and 120 edges!! Luckily you don’t need to be able to explain the properties of this shape.
If you need some more help with shapes then try Part 2 of our “How to work with Shapes” revision guide. It describes what congruent shapes are, and outlines rules to spot congruent triangles. A description of similar shapes is also included, again with rules on how to spot similar triangles. You can check your understanding using example questions and answers.
Click on the picture below to see the guide.
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