Geometry Chapter 6 Flashcards
1
Q
definition of a plane
A
a surface where two points are connected by a line, and all points of the line are also on the surface
2
Q
properties of planes
A
- 2 dimensional (no thickness)
- infinitely wide and long (extends in all directions)
3
Q
how to name a plane
A
- lowercase letter in the corner
- three points that lie on it
4
Q
foot of a line
A
point of intersection of a line in a plane
5
Q
line perpendicular to a plane definition
A
a line is perpendicular to a plane if it is perpendicular to every one of the lines in the plane that pass through its foot
6
Q
line perpendicular to a plane if-then form
A
if a line is perpendicular to a plane, then it is perpendicular to every one of the lines in the plane that pass through its foot
