The number of square units inside a figure
Area
The distance around a figure.
Perimeter
The distance around a circle.
Circumference
A quadrilateral with 2 parallel sides that are not congruent
Trapezoid
A chord passing through the center of a circle
Diameter
A line segment extending from the center of a circle to the edge
Radius
Having the same or a constant ratio
Proportional
The range over which something extends
Dimension
Figures made from simple figures
Irregular figures
Figures made up of various distinct parts
Composite figures
A two-dimensional pattern that forms three dimensional solid when folded
Net
The sum of the areas of all of the faces of a polyhedron
Total Surface Area
A face of a three-dimensional figure by which the figure is measured or classified
Base
A polygon that is a side of a polyhedron
Face
A point at which three or more edges of a polyhedron meet
Vertex
A line segment where two faces of a polyhedron meet
Edge
A solid , formed by polygons, that has two congruent bases lying in parallel planes
Prism
A solid, formed by polygons, that has one base. The base can be any polygon, and the other faces are triangles
Pyramid
A solid with two congruent circular bases that lie in parallel planes
Cylinder
A solid with one circular base
Cone
Surface area of a figure excluding the area of its base
Lateral surface area
The amount of space the solid occupies
Volume
A solid that is enclosed by phone
Polyhedron
A enclosed geometric figure made up of three or more lines segment that intersect only at their end points
Polygon