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# Geo terms:)

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Point Has a position in space
Ray A straight path of points that begin at one point & continue in one direction. ------------>
Line straight path of point that continues in two directions. <------------>
Line Segment Two end points .-------------------.
Horizontal When it runs from left to right.
Vertical When it runs up & down.
Parallel When two lines run in the same direction and NEVER cross path.
Intersection Two line or line segment that meet at a point
Perpendicular Lines Line that meet or intersect two form right angles.
Acute less than 90 degrees
Right Exactly 90 degrees
Obtuse Greater than 90 and less than 180 degrees
Straight Exactly 180 degrees
Reflex Greater than 180 degrees
Supplementary Angles Two angles that add up to 180 degrees
Complementary Angles Two angles that add up to 90 degrees
Adjacent Angles Two angles that share a side.q
Vertical Angles Two angles opposite of each other, when to lines intersect. There equal angles
Polygon Closed figure composed of three or more line segments
Triangle is a closed, plane figure with three sides
Rectangle Has four right angles. sides across from each other are equal
Square Has four right angles. All sides are the equal
Rhombus has four equal sides
Trapezoid One pair of parallel sides.
Perimeter Measure of distance around the plan.
Perimeter of a circle Circumference
Area Amount of surface within the perimeter
Volume Amount of space in a 3-D shape or solid shape
Created by: Sarah Ann on 2012-04-17