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math vocab

line segment part of a line and has 2 endpoints
ray part of a line. it has only one end point and extends and forever in one direction
parallel lines never cross and stay the same distance apart
intersecting lines pass through the same point
perpendicular lines intersecting lines that form square corners
point an exact location in space
line a straight path of points that goes on forever in two directions
planangle an endless flat surface
vertex common endpoint
protractor to measure and draw angles
degrees angles are measured in
acut angle has ameasure between 0 and 90
right angle has a measure of 90
obtuse angle has a mesure between 90 and 180
straight angle has a measure of 180
polygon closed plane figure made up of line segments
regular polygon sides of equal length and angles of equal measure
triangle has 3 sides
quadrilateral has 4 sides
pentagon has 5 sides
hexagon has 6 sides
octagon has 8 sides
equlateral triangle all sides are the same length
isosceles triangle two sides are same length
scalen triangle no sides are the same length
right triangel one angel is a right angle
acute triangel all three are acut angles
obtuse triangle one angle is an obuse angle
parallelogram both paris of opposite sides parallel and equal in length
trapezoid only one pair of parallel sides
rectangle a parallalgram with four right angles
rhombus a parallelogram with all the sides same length
square a rectangle with all sides the same length
plane an endless flat surface
Created by: crowder_brooklyn