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