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Brief description of the main types of quadrilaterals with examples.

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  1. 1. Quadrilaterals Four Sides Four Angles Fourth Graders
  2. 2. In General …` <ul><li>Quadrilaterals are polygons that have 4 sides and 4 angles. </li></ul>
  3. 3. Parallelograms <ul><li>A parallelogram has two parallel pairs of opposite sides. </li></ul>
  4. 4. Rectangles <ul><li>A rectangle has two sets of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides. </li></ul>
  5. 5. Squares … <ul><li>A square has two pairs of parallel sides, four right angles, and all four sides are equal. It is also a rectangle and a parallelogram. </li></ul>
  6. 6. Rhombus … <ul><li>A rhombus is a parallelogram with four equal sides. It is not always a rectangle because a rhombus does not have to have 4 right angles. </li></ul>
  7. 7. Trapezoids … <ul><li>Trapezoids only have one pair of parallel sides. It is not a parallelogram. </li></ul>`
  8. 8. Venn Diagram of Quadrilaterals Trapezoids Parallelograms Rectangles Squares Rhombuses