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unit 4 math


ray a part of a line that has one endpoint and extends without end in one direction
angle a figure formed by two rays or line segments by endpoint.
line a straight path that goes on forever on opposite sides
perpendicular lines ,line ,segments or rays are perpendicular if they form right angles.
parallel the same distancee apart at every point.
olique lines that are not paralell or perpendicular.
intersect to cut or divide by passing through
protractor a tool that is used to measure angles
degree a unit for measuring angles.
right angle a angle that measures 90 o
straight angle angle of 180
supplementary angles if the sum of an abgle is 180
complementary angles if the sum of the angle is 90
polygon a closed plane figure
congruent same size same congrount
isosceles triangle two congrount sides on a triangle
equilateral triangle all eqaul sides
scalene triangle no sides are eqaul sides
acute triangle three acute sides on a triangle
obtuse triangle a triangle with one obtuse side
right triangle a triangle with with a 90 degree angle.
right trapezoid a trapezoid with aleast 1 right angle
circle plane figure that forms a closed path so that all the the points on the path are the same distance from a point the center
reflex angle an angle that is greater than 180
Created by: 00010375