2.5 Postulates and Paragraph Proofs
Get 2.5 homework here ------------------------------->
|
|
Postulate 2.1 - Through two points there is exactly one line. (2 pts determine a line)
Postulate 2.2 - Through any three noncollinear points there is exactly one plane. (3 noncollinear points determine a plane)
Postulate 2.3 - A line contains at least two points. (converse of Post. 1 - when you have a line you'll have 2 pts)
Postulate 2.4 - A plane contains at least three noncollinear points. (converse of Post. 2 - on a plane there will be 3noncollinear pts)
Postulate 2.5 - If two points lie in a plane then the line containing those points lies in that plane. (if 2 pts are in a plane then so is their line)
Postulate 2.6 - If two lines intersect then their intersection is a point. (the intersection of 2 lines is a point)
Postulate 2.7 - If two planes intersect then their intersection is a line. (the intersection of 2 planes is a line)
Postulate 2.2 - Through any three noncollinear points there is exactly one plane. (3 noncollinear points determine a plane)
Postulate 2.3 - A line contains at least two points. (converse of Post. 1 - when you have a line you'll have 2 pts)
Postulate 2.4 - A plane contains at least three noncollinear points. (converse of Post. 2 - on a plane there will be 3noncollinear pts)
Postulate 2.5 - If two points lie in a plane then the line containing those points lies in that plane. (if 2 pts are in a plane then so is their line)
Postulate 2.6 - If two lines intersect then their intersection is a point. (the intersection of 2 lines is a point)
Postulate 2.7 - If two planes intersect then their intersection is a line. (the intersection of 2 planes is a line)
|
|