Shared Flashcard Set

Details

Geometry Vocab
Chapter 1
24
Mathematics
10th Grade
06/10/2010

Additional Mathematics Flashcards

 


 

Cards

Term
point, line, and plane
Definition
the undefined terms of geometry
Term
space
Definition
the set of all points
Term
collinear points
Definition
points all on one line
Term
coplanar points
Definition
points all in one plane
Term
intersection
Definition
points where 2 figures meet
Term
line segment
Definition
2 points on a line and all the points in between them
Term
ray
Definition
a line segment and all the points on that line extending from one end of the segment
Term
opposite rays
Definition
2 rays collinear with the same endpoint that extend in opposite directions
Term
length
Definition
distance between two endpoints
Term
postulate
Definition
geometric statement that is accepted without proof
Term
theorems
Definition
geometric statements that require proof
Term
congruent
Definition
equal size and shape
Term
midpoint of a segment
Definition
point that divides the segment into 2 congruent segments
Term
bisector of a segment
Definition
line, ray, or segment that intersects the segment at its midpoint
Term
angle
Definition
figure formed by 2 rays that have the same endpoint
Term
acute
Definition
angle between 0 and 90 degrees
Term
right
Definition
angle that is 90 degrees
Term
obtuse
Definition
angle between 90 and 180 degrees
Term
straight
Definition
angle with a measure of 180 degrees
Term
congruent angles
Definition
angles with the same measure
Term
adjacent angles
Definition
2 angles in a plane that have a common vertex and a common side but no common interior points
Term
bisector of an angle
Definition
line, ray, or segment that divides angle into 2 congruent, adjacent angles
Term
construction
Definition
drawing a geometric figure using a compass and straight edge
Term
greek man known as the father of geometry
Definition
Euclid
Supporting users have an ad free experience!