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38 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
conjecture
u think a statement is true but havent proven it yet
inductive reasoning
the process u go through to find the conjecture or counter example
undefied terms
understanding what the term is but not the dictionary definition
point
establishing a thing, no size, capital letters (A,B,C)
line
a set of points made straight that goes on forever
plane
wto dimensionals- ex. floor, wall, ceiling
collinear
on the same line
coplanar
on the same plane
line segment
part of a line
ray
goes only in one direction
opposite rays
two ray that when put together make a line
intersect
two lines or two rays meet, intersection
-two lines intersect at a point
-two planes intersect at a line
postulate or axiom
statements we except as true, but hard to prove
coordinate
a point on a line with a number for every point on a line
distance or length
the absolute value of the difference between the coordinates of the points
congruent segments
the length of two segments are the same
angle
two rays with the same endpoint
vertex
the common initial point
sides of angle
the rays that make up that angle
congruent angles
angles with the same measure
postulate
measure of an angle- each ray is accociated with a real number, then u find the absolute value
acute angle
less than 90 more than 0
right angle
90
obtuse angle
more than 90 less than 180
straight angle
180
adjacent angle
two angles that share a common ray
a
midoint
point in the middle of a line segment
bisect
cut in half
segment bisector
whatever we use to cut it in half...line,plane..ect
compass
a tool we use to draw circles
straight edge
a tool used to make a line that doesnt have any markings
construction
geometric diagram in which we use specific tools
midpoint formula
x1+x2/2, y1+y1/2
angle bisector
the ray that cuts the angle in half
supplementary angles
angles that add up to 180
complementary angles
angles that add up to 90
vertical angles
sides form to pairs of opposite rays
linear angles
two angles that make a line
angles(points) that make a line is .......l