Geometry A Unit 7 Flashcards
apothem
A segment from the center of a regular polygon perpendicular to a side
area
A real number that measures the space inside a region.
circumference
The distance around a circle.
cone
A solid figure with a circular base and sides tapering to a point.
cubic unit
The unit used to measure volume. It is a cube that measures one linear unit on a side.
cylinder
A solid figure with two congruent parallel circles as bases.
lateral area
The area of the sides of a solid figure.
length of arc
The measure of an arc in linear units.
pi
The ratio of the circumference to the diameter in any circle.
prism
A solid figure with two congruent parallel polygons for bases.
pyramid
A solid figure with one polygon for a base and triangular sides.
region
The space bounded by the sides of a polygon.
sector of a circle
The part of a circle bounded by two radii and an arc.
segment of a circle
The part of a circle bounded by a chord and its arc.
slant height
The length of an altitude of a side of a pyramid.
