Shared Flashcard Set

Details

geometry
definitions
29
Mathematics
9th Grade
12/16/2009

Additional Mathematics Flashcards

 


 

Cards

Term
adjacant angles
Definition
two angles that share a side and vertex
Term
linear pair property
Definition
if two angles form a linear pair, then they are supplementary.
Term
right angle
Definition
angle that adds up to 90 degrees
Term
acute angle
Definition
angle thats measure is less than 90 degrees
Term
obtuse angle
Definition
angle thats measure is more than 90 degrees and less than 180 degrees
Term
perpindicular lines
Definition
two lines that intersect to form a right angle
Term
parallel lines
Definition
two coplanar lines that do not intersect
Term
segment bisector
Definition
a line that
Term
perpindicular bisector
Definition
a bisector that is perpindicular to a segment
Term
angle bisector
Definition
a line or ray that divides an angle into two
Term
inscribed circle
Definition
a circle that is inside a triangle and touches three sides
Term
circumscribed circle
Definition
a circle outside the triangle ane contains all three vertices
Term
rigid transformation
Definition
a transformation that does not change its size or shape of a figure
Term
translation
Definition
every point of a figure
Term
rotation
Definition
every point of a figure moves around a given point known as the center
Term
reflection
Definition
ever point in a geometric figure is flipped across the
Term
proof
Definition
a convincing argument
Term
condition
Definition
if-then statements
Term
deduction/deductive reasoning
Definition
the process of drawing logically certain
Term
converse
Definition
when you interchange the hypothesis and the conclusion of a conditional statement
Term
logical chain
Definition
three different conditionals are linked together
Term
adjacent angles
Definition
two angles in a plane that share a common vertex and a common side but have no interior points in common
Term
biconditional
Definition
a statement using if and only if
Term
counter example
Definition
an example that proves that a statement, then a conjecture is false
Term
conclusion
Definition
the phrase following the word then in a conditional statement; the final statement of an argument
Term
equivalence relation
Definition
any relation that satisfies the reflexive
Term
theorum
Definition
a statement that has been proven to be true deductively
Term
addition property
Definition
if a=b and b=c
Term
subtraction property
Definition
if a=b then
Supporting users have an ad free experience!