Points, Lines, and Planes
a dot that shows a location?
a point
a part of a line with two endpoints
line segment
a guess based on a pattern
a conjecture
the part of a conditional that comes after "if"
the hypothesis
an angle measuring at 90 degrees
a right angle
a straight path that goes on forever in both directions
a line
a point in the middle of a segment
the midpoint
an example that proves a statement is false
an counter example
if a shape is a square, then it has 4 sides, what the hypothesis
the shape is a square
two angles that add up to 90
complementary
a flat surface that goes on forever
a plane
the distance
if it rains, then the ground gets wet is a________ statement
conditional
a statement that uses "if and only if"
a biconditional
two angles that add up to 180 degrees
supplementary angles
points that are all on the same line are called
a collinear
if a segment is 10 units long, how long would the half be
5 units
true or false: one counter example can prove a statement wrong
true
reasoning using facts and rules
deductive Reasoning
angles that are across from eachother when to lines cross
lines that cross each other at one point
intersecting lines
a line that cuts a segment into two equal parts
bisector
the part of a conditional that come after then
the conclusion
if all dogs bark and you see a dog, what can you recognize first
that the dog barks
angles next to each other that share a side
adjacent angles