Quadrilaterals

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Full list of words from this list:

words only definitions & notes
  1. quadrilateral
    a four-sided polygon
    Quadrilaterals
    Quadrilateral just means "four sides"
    (quad means four, lateral means side).
  2. rectangle
    a parallelogram with four right angles
    For example a square, rhombus and rectangle are also parallelograms.
  3. angle
    the space between two lines or planes that intersect
    The interior angles add up to 360 degrees:


    Try drawing a quadrilateral, and measure the angles.
  4. parallel
    being everywhere equidistant and not intersecting
    Also opposite sides are parallel and of equal length.
  5. equal
    having the same quantity, value, or measure as another
    Let us look at each type in turn:

    The Rectangle

    means "right angle"
    and show equal sides


    A rectangle is a four-sided shape where every angle is a right angle (90°).
  6. square
    a polygon with four equal sides and four right angles
    For example a square, rhombus and rectangle are also parallelograms.
  7. side
    a place within a region identified relative to a center or reference location
    Quadrilaterals
    Quadrilateral just means "four sides"
    (quad means four, lateral means side).
  8. type
    a subdivision of a particular kind of thing
    They should add to 360°

    Types of Quadrilaterals
    There are special types of quadrilateral:


    Some types are also included in the definition of other types!
  9. opposite
    being directly across from each other
    Also opposite sides are parallel and of equal length.
  10. four
    the cardinal number that is the sum of three and one
    Quadrilaterals
    Quadrilateral just means "four sides"
    (quad means four, lateral means side).
Created on Wed Jun 09 11:36:07 EDT 2010

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