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Math Voc quiz 1/6/11

point indicates place or position; no length, width, or thickness.
line set of points
straight line extends withoutend in both directions
plane set of points suggested by flat surface; extends endlessly in all directions
line segment part of line consisting of end points & all points on line between endpoints
ray part of a line that consists of an endpoint and all of the points on one side of the endpoint
degree common standard unit of measure of an angle
right angle angle whose measure is 90 degrees
acute angle measure is greater than 0 & less than 90
obtuse angle angle whose measure is greater than 90 and less than 180
straight angle angle whose measure is 180
perpendicular when two lines intersect to form right angles
adjacent angles 2 angles in same plane that have a common vertex & a common side but don't have any interior points in common
complementary angles 2 angles whose sum is 90 degrees; angle is a complement of the other
supplementary angles 2 angles whose sum is 180; each angle is a supplement of each other
linear pair of angles adjacent angles that are supplementary
vertical angles 2 nonadjacent angles formed by intersecting lines
Created by: smiles2577