There is no suffix in the word menarche. It is a compound neo-Latin word having two Greek elements: men- for month; and arche for beginning. There is no suffix in the word menarche. It is a compound neo-Latin word having two Greek elements: men- for month; and arche for beginning.
1 A hexagonal pyramid has six triangular lateral faces and a hexagonal base. 2  Hexagonal pyramid is also called as Heptahedron. 3  Surface Area (SA) of a regular hexagonal pyramid is given by SA = 3as+ 3sl, where a is the apothem length of the hexagon, s is the side length of the hexagon, and l is the slant height.
A square pyramid has a square base. It means, it has. 5 faces. 1 square face that is the bottom and 4 isosceles triangles above. 5 vertices, 4 at the base and 1 above. The 4 vertices at the base have 3 edges meeting together while the 1 above has 4 edges meeting together. 8 edges, 4 at the base and 4 above. 2 diagonals at the base.