Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Area |
the number of square units needed to fill up a region on a flat surface |
|
|
Base of a triangle |
any side of a triangle to which a height is drawn. There are three possible bases in each triangle. |
|
|
Base of a 3D figure |
The base of a 3-dimensional figure, a prism has two polygon bases, a cylinder has two circular bases, a pyramid has one polygon base, & a cone has one circular base. |
|
|
Congruent |
Two shapes are congruent if they have exactly the same shape and size. Congruent shapes are similar and have a scale factor of 1. |
|
|
Cubic units |
A cube, each of whose edges measure 1 unit in length. Volume is measured in cubic units. |
|
|
Edge |
In three dimensions, a line segment formed by the intersection of two faces of a polyhedron. |
|
|
Equailateral Triangle |
Equilateral triangles not only have sides of equal length, but also angles of equal measure. |
|
|
Face |
One of the flat surfaces of a polyhedron, including the base(s). |
|
|
Isosceles Triangel |
A triangle with two sides of equal length. |
|
|
Lateral Faces |
A (flat) side of a polyhedron. It is always a polygon. |
|
|
Net |
A drawing of each of the faces of a prism or pyramid, as if it were cut along its edges and flattened out. |
|
|
Parallel |
Two or more straight lines on a flat surface that do not intersect |
|
|
Parallelogram |
A quadrilateral with two pairs of parallel sides. |
|
|
Perpendicular |
Two rays, line segments, or lines that meet (intersect) to form a right angle (º90º) are called perpendicular. |
