math Flashcards
Postulate
rulwa that are accepted without proofs
length of a segmant
one point minus the other point
angle bisector
a ray that divided an angle into 2 adjacent angles
Distance formula
AB= the square root of x-x squared +y-y squared
vertical angles
sides form two pairs of opposite rays
linear pair
non- commen sides are opposite rays
conditional Statement
hypothesis then conclusion
If then form
if this then that
Converse
switch hypothesis and conclusion
inverse
Negate both hypothesis and conclusion
contrapositive
switch hypothesis and conclusion and negate it
Perpendicular lines
two lines intersect to form a right angle
Line perpendicular to a plane
a line that intersects the plan, and is perpendicular to every line in the plane that intersects it
bi conditional statement
if and only if
Parralel lines
if they are coplanor and do not intersect