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;
23 Cards in this Set
- Front
- Back
|
set
|
a collection of objects such that something either belongs to the set or does not
example: 2,4,6,7 |
|
|
point
|
a place marked in space with no real dimensions. It only indicates a marked position
|
|
|
line
|
a collection of points that also has no real dimensions that continues infinately in both directions
** a line must be determined by two or more points** |
|
|
plane
|
a set of points that for an infinate flat surface
** a plane must be determined by thre or more points** |
|
|
collinear set of points
|
a set of points in which all the points lie on the same line
|
|
|
non collinear set of points
|
a set of three or more points that do not share the same line
|
|
|
line segment
|
a set of points on a line that has two distinct end points and contains all the points in between
|
|
|
line segment bisector
|
any line that intersects the segment at its midpoint
|
|
|
straight angle
|
an angle that is the union of opposite rays
|
|
|
obtuse angle
|
an angle whose degree measure is greater than 90 degrees but less than 180
|
|
|
congruent angles
|
angles that have the same measure
|
|
|
angle bisector
|
a ray that divides an angle into two congruent angles
|
|
|
perpendicular lines
|
two lines that intersect to form right angles
|
|
|
scalene triangle
|
a triangle that has no congruent sides
|
|
|
equiangular triangle
|
a triangle that has three congruent angles
|
|
|
acute triangle
|
a triangle that has three acute angles
|
|
|
isosceles triangle
|
a triangle that has two congruent sides
|
|
|
midpoint
|
a point that divides a line segment into two congruent segments
|
|
|
right angle
|
an angle who's degree measure is 90 degrees
|
|
|
acute angle
|
an angle who's degree measure is greater than 0 and less than 90
|
|
|
equilateral triangle
|
a triangle that has three congruent sides
|
|
|
median
|
a line segment that goes from one vertex of the triangle to the midpoint of the triangle on the opposite side
|
|
|
altitude
|
a line segment that goes from the vertex of the triangle perpendicular to the base of the opposite side
|
