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Quadrilaterals
Definition    A Polygon with 4 sides and 4 angles.
  The sum of all interior angles in a quadrilateral is 360 o.   What is the value of X? X=360–(70+70+110) X=110 70 o X o 1...
Types of Quadrilaterals
Trapezium 4 sides, 4 angles Trapezoid Only 1 pair of parallel sides Parallelogram Opposite sides are parallel and congruen...
 
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Quadrilaterals

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Quadrilaterals

  1. 1. Quadrilaterals
  2. 2. Definition A Polygon with 4 sides and 4 angles.
  3. 3. The sum of all interior angles in a quadrilateral is 360 o. What is the value of X? X=360–(70+70+110) X=110 70 o X o 110º o 70 o
  4. 4. Types of Quadrilaterals
  5. 5. Trapezium 4 sides, 4 angles Trapezoid Only 1 pair of parallel sides Parallelogram Opposite sides are parallel and congruent Rectangle A parallelogram with 4 right angles Rhombus A parallelogram with 4 congruent sides Square A rectangle with 4 congruent sides

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