3-D Geometry Quiz

A pyramid is a polyhedron whose non-base faces meet at a point known as the __________.

• polyhedron
• apex
• vertex

• point

A flat surface that extends infinitely in two dimensions is a __________.

• plane of symmetry

• apex

• parallel line

• axis of rotation

A (an) __________ pyramid has side faces that are not perpendicular to its base.

• right

• oblique

• perpendicular

• parallel

An __________ is a line around which we rotate a solid.

A __________ is a flat surface that divides an object into two identical halves.

A __________ cylinder has its top circular base directly above the bottom circular base.

We use a __________ to draw enlargements or reductions of objects.

• scale
• base

• number line

• zoom lens

An object's appearance matches its original appearance four times in a full turn about an axis of rotation. So this axis is called a four-fold axis of __________.

An object has more than one __________ depending on how a plane intersects the object.

• rotational axis

• cross-section

• face

• symmetrical axis

The same scale is used for all three dimensions in an __________.

• isometric projection
• cabinet projection

• 3D object

• axis of rotation