Polygons and polyhedrons

What do we call a six-sided polygon?

• A heptagon

• A hexagon

• A henagon

• A pentagon

What do we call an eleven-sided polygon?

• A dodecagon

• A heptadecagon

• A hexadecagon

• A hendecagon

Which is the place where three or more flat faces meet?

• Edge

• Point

• Vertex

• Center

Which is the name for the stright line of a polyhedron where two flat faces meet?

• Vertex

• Center

• Square

• Edge

An icosahedron is a platonic solid made up of 20 equal faces. Which polygons are those faces?

• Squares

• Pentagons

• Triangles

Which is the name for the platonic solid made up of eight equilateral triangles?

• Icosahedron

• Dodecahedron

• Tetrahedron

• Octahedron

An hexahedron is a platonic solid with six squares but, which other name can be used?

• Pyramid

• Cone

• Cube

• Sphere

What is the surface area of the rectangular prism?

• 152 in²

• 164 in²

• 160 in²

• 184 in²

Which is the name of this part of the pyramid?

• Corner

• Vertex

• Edge

• Apex

The faces of a square pyramid consist of:

• Six squares

• Two squares and four rectangles

• One square and three triangles

• One square and four triangles