Points, Lines, Plains
What are points?
A point is a location and named by a capital letter.
What is a line segment?
A part of a line with two endpoints
What is a mid point
A point that divides a segment into two equal parts
What is deductive reasoning?
Using facts, rules, and logic to reach a conclusion
What are the vertical angles?
Opposite angles that are equal
What are lines?
What is the distance formula used for?
To find the length between two points
What does a segment bisector do?
It cuts a segment into two equal pieces
What is a theorem?
A statement that can be proven true
What are complementary angles?
What are planes?
A plane is a flat surface made up of points that extends infinitely in all directions.
What is a ray?
A line with one endpoint that extends forever in one direction
What is the midpoint formula?
(x+x)/2, (y+y)/2
What is a postulate?
A statement accepted without proof
What are supplementary angles?
Two angles that add up to 180 degrees
What is collinear?
Collinear is points that lie on the same line.
What does congruent segments mean?
Segments that have the same length.
What is a perpendicular bisector?
A line that cuts a segment in half at a 90 degree angle
What is the law of Detachment?
If a conditional is true and the hypothesis is true, the conclusion is true
What are adjacent angles?
Angles that share a side and a vertex
What is coplanar?
Coplanar is points that lie on the same plane.
What symbol shows two segments are congruent?
A small dash mark on each segment
If M is the midpoint of AB, what does AM equal?
AM=MB
What is the law of syllogism?
If p-q and q-r then p-r
What are linear pairs?
Adjacent angles that form a straight line