Geometry Flashcards
About this set
Created by:
mandyhenry on January 31, 2011
Subjects:
Description:
These cards will help you memorize your geometry dictionary.
Classes:
MTA - Geometry, Markowitz GEOMETRY - 8th period, Markowitz GEOMETRY - 6th period, Markowitz GEOMETRY -3rd period, D Birch, Geometry Glenville, Dr. Randle, 2012 (see more)
Log in to favorite or report as inappropriate.
Order by
47 terms
Terms | Definitions |
|---|---|
 Square | 4 equal sides. 90 degree angles. |
| Rectangle | quadrilateral. 90 degree angles. |
| Quadrilateral |  4-sided polygon |
| Perimeter |  distance around a figure |
| Area |  number of square units it takes to cover a figure |
| Base |  bottom of a figure |
| Height |  the line that makes a 90 degree angle with the base |
| Right Angle |  90 degree angle |
| Triangle |  3-sided polygon |
| Acute Triangle |  3-sided polygon, each angle is less than 90 degrees |
| Obtuse triangle |  3-sided polygon, 1 angle greater than 90 degrees |
| Right Triangle |  3-sided polygon. One 90 degree angle. |
| Isosceles Triangle |  3-sided polygon. 2 congruent sides. |
| Equilateral Triangle |  3-sided polygon. 3 congruent sides. 3 60 degree angles. |
| Scalene Triangle |  3-sided polygon. No congruent sides |
| Leg |  the 2 sides that make the right angle in a right triangle |
| Hypotenuse |  side opposite the right angle in a right triangle |
| hypotenuse | side opposite the right angle in a right triangle |
| parallelogram |  4-sided quadrilateral. 2 pairs of parallel lines |
| parallel lines |  lines that will never intersect |
| trapezoid |  4-sided quadrilateral. 1 pair of parallel lines |
| congruent |  same size, same shape |
| rhombus |  4 equal-sided polygon |
| segment |  line between two points |
| vertex or vericies |  the point where 2 lines meet |
| polygon | many-sided figure, closed, straight line segment |
| regular polygon |  polygon with congruent sides and congruent angles |
| irregular polygon |  polygon without all congruent sides |
| straight angle |  angle measuring 180 degrees |
| circle |  infinite set of points equidistant from a centerpoint |
| radius |  half the diameter |
| diameter |  distance across a circle through the center point |
| pi |  ratio of circumference of a circle to its diameter, irrational; = 3.14 |
| circumference |  distance around a circle |
| semi-circle |  half of a circle |
| inscribed |  a figure drawn inside another |
| circumscribed |  a figure drawn within a circle |
| complementary angles |  angles whose sum equals 90 degrees |
| Supplementary angles |  angles whose sum equals 180 degrees |
| interior angle |  angles inside of a polygon |
| exterior angle |  angle made when you extend one of the sides of the polygon outside from the polygon |
| regular polygon | a polygon with congruent sides and congruent angles |
| pentagon |  5-sided polygon |
| hexagon |  6-sided polygon |
| heptagon |  7-sided polygon |
| octagon |  8-sided polygon |
| nonagon |  9-sided polygon |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.
Set Champions
Scatter Champion
1.2 secs by nilustyles1D
Space Race Champion
173,940 points by itian220
Speller Champion
93.1% correct by NerdyGirl599
Completed “Learn” mode
marina-g-1 , rose83 , bribrigreenmonkey , aje17 , NerdyGirl599 , payamrz , HelencCheddar , rmturtle12 , jewelz7101 , mfburke5 , Caitlyn97 , jgood15 , usd480library , sarpy46 , jaceandrus (See all 29)