Pentagonal Cupola
Johnson Solid 
. The bottom 10 Vertices are
and the top five vertices are
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- Medial Axis
- Medial Deltoidal Hexecontahedron
- Medial Disdyakis Triacontahedron
- Medial Hexagonal Hexecontahedron
- Medial Icosacronic Hexecontahedron
- Medial Inverted Pentagonal Hexecontahedron
- Medial Pentagonal Hexecontahedron
- Medial Rhombic Triacontahedron
- Medial Triambic Icosahedron
- Medial Triangle
- Medial Triangle Locus Theorem
- Median Point
- Median (Statistics)
- Mediant
- Median (Triangle)
- Mega
- Megistron
- Mehler-Dirichlet Integral
- Mehler Quadrature
- Mehler's Bessel Function Formula
- Mehler's Hermite Polynomial Formula
- Meijer's G-Function
- Meissel's Formula
- Mellin Transform
- Melnikov-Arnold Integral