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geo terms

triangle three-sided figures sum of angel 180 degree
line set of points contining in opposite direction
ray point going in one direction .------------>
segment straight line that has a start and end point (shortest path)
angel two rays extending from the same point
right angel an angle that measures 90 degree
parallel lines two line that run in the same direction and that do not touch
perpendicular lines lines that intersect to form right angles +
rectangle four-sided figure with four right angles 90 degree angles
square four equal sides 90 degree angles
circle a curved flat figure every point of which is the same distance from the center
paralloligram two sets of parallel sides
supplement two angles total 180 degree
compliment two angles total 90 degree
horizontal straight line runs left to right or right to left
vertical straight line up and down
acute less then 90 degree
obtuse greater then 90 degree but less then 180
reflex greater then 180
straight angle that = 180
diameter distance of circle across center
radius distance from center to the side of circle (half of diameter)
perimeter distance around a polygon (sum of the sides)
area measure of the surface of a 2-d shape (always squared units)
circumference distance around circle
polygon closed shape made of straight lines
regular polygon closed shape all sides are equal
vertex point where two rays meet
intersect point at where to lines cross
vertical angels two angles that are a cross
Created by: pinkcamo