Vocabulary Word Scramble
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Term | Definition |
point | location |
line | 2 or more points (on a line) that extends forever in both directions |
plane | flat surface with 3 or less points |
co-linear points | points on same line |
co-planar points | points on same plane |
line segment | can be measure and has endpoints |
ray | part of a line that goes forever in one direction |
opposite rays | 2 rays with same endpoint and go forever in opposite directions |
angle | 2 non co-linear rays with common endpoint |
vertex | common endpoint of an angle |
obtuse angle | greater than 90 degrees less than 180 degrees |
acute angle | less than 90 degrees greater than 0 degrees |
right angle | exactly 90 degrees |
straight angle | exactly 180 degrees |
adjacent angles | angles that share an endpoint and a side |
angle bisector | ray that divides an angle into 2 congruent angles |
segment bisector | segment line or plane that intersects at a segments midpoint and forms 2 congruent segments |
vertical angles | 2 nonadjacent angles formed by 2 intersecting lines and are congruent |
linear pair | 2 adjacent angles that create a 180 degree angle |
complementary angles | 2 angles sum to 90 degrees |
supplementary angles | 2 angles sum to 180 degrees |
counterexample | example that shows a statement is false |
theorem | statement as a result of other true statements |
postulate | rules accepted without proof |
conjecture | unproven statement based on observations |
congruent | same exact size shape and/or measure |
midpoint | divides segment into 2 congruent segments |
area | square units that cover a surface |
circumference | distance around circle |
degree | measure angles and arcs |
volume | space a 3-D figure fills |
surface area | sum of all face and side areas |
perimeter | sum of lengths of all sides of a figure |
parallel | lines with same slope |
perpendicular | lines with opposite reciprocal slope |
Created by:
edenbreslauer
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