geometry #5 Flashcards
1
Q
right angle
A
an angle that measures 90 degrees
2
Q
rotation
A
a transformation in which a figure is turned around a point
3
Q
segment
A
a part of a line between two endpoints
4
Q
segment bisector
A
a line, ray, or segment that divides another segment into 2 parts
5
Q
straight angle
A
an angle that measures 180 degrees
6
Q
supplementary angles
A
two angles whose measures have a sum of 180 degrees
7
Q
transformation
A
a change in the position or orientation of a figure
8
Q
translation
A
a movement (slide) of a figure along a straight line
9
Q
undefined terms
A
A concept that is not defined in terms of other figures. (ex: point, line, plane)
10
Q
vertex
A
On an angle or polygon, the point where two slides intersect
