Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Geometric terms
| Question | Answer |
|---|---|
| Angle | Formed when two rays or line segments meet at a common vertex |
| Vertex | a point where two or more straight lines meet. |
| Ray | starts at a given point and goes off in a certain direction forever, to infinity. |
| Line Segment | a straight line with two end points; contains every point on the line between its end points |
| Right Angle | forms a square corner and measures 90 degrees |
| Straight Angle | forms a straight line and measures 180 degrees |
| Acute Angle | is smaller than a right angle and measures less than 90 degrees. |
| Obtuse Angle | is larger than a right angle and measures more than 90 degrees, but less than 180 degrees. |
| Congruent | figures that have the same shape and same size |
| Similar | figures that have the same shape |
| Symmetry | a figure is symmetrical if, when folded down the middle, it has two matching halves. |
| Line of Symmetry | the folded line when finding symmetry. |
| Polygon | flat shape consisting of straight lines that are joined to form a closed chain or circuit; means many |
| Triangle | a polygon that has 3 sides |
| Quadrilateral | a polygon that has 4 sides |
| Pentagon | a polygon that has 5 sides |
| Hexagon | a polygon that has 6 sides |
| Heptagon | a polygon that has 7 sides |
| Octagon | a polygon that has 8 sides |
| Nonagon | a polygon that has 9 sides |
| Decagon | a polygon that has 10 sides |
Created by:
auriel
Popular Math sets