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24 Cards in this Set

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geometry figures that are the same shape and equal in size
congruent
line
undefined
adjacent
1-must have common vertex
2-must have a common side (ray)
3-can not share interior points
coplanar
all points on the same plane
a number that continues on w/ out a pattern..example PI
irrational number
an unproven statement that is based on observation
conjecture
acute angle
between 0 and 90degrees
all the numbers on the numberline
R
when you measure angles you have to use_________
degrees
R stands for.. (NOT definition, just what it stands for)
real numbers
a ray or line or segment that passes through a mid-point
segment bisector
a way of reasoning that looks at a special pattern and forms a conjection
inductive reasoning
straight angle
180degrees
point
undefined
statement accepted w/o proof..AXIOM
postulates
plane
undefined
a point that creates 2 equal segments
midpoint
plane
undefined
90degrees
right angle
collinear
all points on the same line
a ray that creates 2 equal angles
angle bisector
add the opposite
subtraction
oppisite rays
A common initial point (same starting point)
B must go in oppisite directions
C must be collinear
obtuse angle
greater than 90degrees but less than 180degrees