Reading...
Play button
Play button
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;
15 Cards in this Set
- Front
- Back
|
What is line of symmetry?
|
A single line that divides a figure in two congruent halves.
|
|
|
What are three basic undefined terms in geometry?
|
Point, line, and plane.
|
|
|
What is a point?
|
A dot that identifies a location.
|
|
|
What is a line?
|
A set of points that extends without end in two opposite directions.
|
|
|
What is a plane?
|
A set of points that extend without end in all directions alomg a flat surface.
|
|
|
What is a ray?
|
Part of a line that begins at one point and extendswithout end in one direction.
|
|
|
What is a segment?
|
Part of a line that begins at one point and ends at another.
|
|
|
What is an angle?
|
Two rays that have a commen endpoint.
|
|
|
What is a coordinate plane?
|
A number plane formed by two perpendicular number lines that intersect at their origens.
|
|
|
What do you use to make constructions?
|
A compass-and-straightedge.
|
|
|
What is a postulate?
|
Statements that are accepted without proof.
|
|
|
What is the distance formula?
|
____________________
d= \/(x2-x1) + (y2-y1) |
|
|
What is the midpoint formula?
|
_______________________
m= \/(x1+x2,y1=y2) (_____ _____) ( 2 2 ) |
|
|
What are vertical angles?
|
Two angles whose sides form two pairs of opposite rays.
|
|
|
The bluejay is...
|
...at Taco Bell.
|
