2004-28.md

course	course_year	question_number	tags	title	year
Geometry	IB	28	IB 2004 Geometry	3.I.3G	2004

State Euler's formula for a convex polyhedron with $F$ faces, $E$ edges, and $V$ vertices.

Show that any regular polyhedron whose faces are pentagons has the same number of vertices, edges and faces as the dodecahedron.