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math unit 4

ray a part of a line that has one end piont
angle a figure formed by to rays or line segments with a common end point.
line a straight path that goes on forever in both directions.
perpendicular lines,line segments,or rays that from a right angle
parallel two lines that will never intersect
oblique lines that are not perpendicular or parallel
intersect to cut or divide by passing trough or across
protrator a tool to measure angles
degree a unit for measuring angles
right angle a 90 degree angle
straight angle a 180 degree angle
supplementary angles angles that the sum is 180 degrees
complementary angles angles that the sum is 90 degrees
supplementary degrees degrees that have a sum of 180 degrees
complementary degrees degrees that add up to 90 degrees
polygon a closed lined figure with straight sides
congruent exactly the same size a shape
isosceles triangle a triangle with at least 2 congruent sides
equilateral triangle a triangle with equal sides
scalene triangle a triangle with no equal sides
acute angle a angle less then 90 degrees
obtuse angle a angle bigger 90 dergees
right angle a 90 degree angle
right trapeziod a trapezoid with at least 1 right angle
circle a plain figure that forms a closed path.
reflex angle a angel great than 180 degrees
Created by: 00017224