Pentagonal Cupola

In geometry, the pentagonal cupola is one of the Johnson solids (J5). It can be obtained as a slice of the rhombicosidodecahedron.

The 92 Johnson solids were named and described by Norman Johnson in 1966.

The pentagonal cupola consists of 5 equilateral triangles, 5 squares, 1 pentagon, and 1 decagon.

Read more about Pentagonal Cupola:  Formulae