Adam's Math flashcards
Terms
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 Protractor
 am instrument used to measure the size of an angle
 Degree
 a unit of measure for angles
 acute angle
 angle measuring less that 90*
 right angle
 angle measuring more that 90*
 obtuse angle
 measures greater than 90* and less than 180*
 straight angle
 measures 180*
 polygon
 a plane closed figure formed by a line segment
 line segment
 a part of a line that has two points
 equallateral triangle
 a triangle with all sides the same length
 isoceles triangle
 a triangle with two side the same length
 right triangle
 triangle with one right angle
 obtuse triangle
 triangle with one angle greater that 90*
 quadrilateral
 a polygon with four sides
 square
 polygon with four equal sides
 rectangle
 opposite sides are parallel and the same length and had four right angles
 parallelagram
 two pairs of parellel sides
 rhombus

two pairs of parallel sides
all sides are the same length  trapezoid
 only one pair of parallel sides