Chapter 9

Bases of a Prism

the two parallel, congruent polygons

Cross Section

the two-dimensional shape created by the intersection of a plane slicing through a solid and the solid

Cubic Units

the units used to measure volume

Height of a Prism or Cylinder

the perpendicular distance between the bases

Lateral Surface Area

the sum of the areas of the lateral surfaces

Regular Pyramid

a pyramid whose base has all congruent sides and all congruent angles

Slant Height

the height of each lateral triangle of a pyramid

Square Units

the units used to measure area

Surface Area

the sum of the areas of the surfaces of a solid

Volume

a measure of the amount of space that a three dimensional figure occupies