Question 1180622

Set of trapezohedra faces {{{2n }}}kites, edges {{{4n}}}, and vertices{{{ 2n+2}}}

if a decagonal trapezohedron has {{{20}}} faces, then

{{{2n=20 }}}
{{{n=10}}}

then the number of vertices is
{{{ 2n+2=2*10+2=22}}}

there are {{{22}}} vertices on a decagonal trapezohedron