Topic 8: Surface & Volume

Altitude:  the right angle distance from base to base, or from base to vertex (commonly confused with height)

Base:  a key side or face used in measurement.  For Triangles and Parallelograms: any designated side with a given altitude.  For Trapezoids: either of the parallel sides.  For Solids: the face used to name the shape.

Cone:  a pyramid with a circle base

Cylinder:  a prism with a circle base

Face:  a polygon surface of a solid

Height:  the tallness of a shape, but you probably wanted to use the altitude

Plane Shape:  a shape that fits on a plane, a 2-D shape

Solid: a shape in space, a 3-D shape

Sphere:  all points in space a given distance from the center point