An icosahedron has 20 triangular faces.
Poyhedrons with 20 faces
An icosahedron has 12 vertices and 30 edges. It also has 20 faces.
An icosahedron has 20 sides, so 5,000,000 icosahedrons have 100,000,000 sides.
A rectangle has 4 faces: 2 long faces and 2 short faces.
10 faces 10 faces
no faces
A trapezoid is a quadrilateral and has four faces.
A hexahedron has 6 faces.
it has six faces
3 faces
6 faces
20 faces