Special  Quadrilaterals
Quadrilateral Four sided polygon
Foldable 1. Take out a piece of notebook paper and make a hot dog fold over from the right side over to the pink line.
Foldable 2. Now, divide the right hand section into 5 sections by drawing 4 evenly spaced lines. The fold crease 3. Use sc...
Foldable 4. Write QUADRILATERALS down the left hand side The fold crease QUADRILATERALS
Foldable 5. Fold over the top cut section and write PARALLELOGRAM on the outside. The fold crease Parallelogram 6. Reopen ...
Foldable 7. On the left hand section, draw a parallelogram. 8. On the right hand side, list all of the properties of a par...
Parallelograms Now, Let’s review what we learned last class
A quadrilateral is a PARALLELOGRAM if and only if it has two sets of parallel sides
Properties 1.BOTH pairs of opposite sides are parallel 2.BOTH pairs of opposite sides are congruent 3. BOTH pairs of oppos...
Foldable * Fold over the second cut section and write RECTANGLE on the outside. RECTANGLE * Reopen the fold. 1. Opposite s...
Foldable * On the left hand section, draw a rectangle. * On the right hand side, list all of the properties of a rectangle...
RECTANGLE A parallelogram with FOUR RIGHT ANGLES
A quadrilateral is a RECTANGLE if and only if it has four right angles
RECTANGLE Diagonals are Congruent Theorem 8.13
Foldable * Fold over the third cut section and write RHOMBUS on the outside. RHOMBUS * Reopen the fold. 1.  Has 4 right an...
Foldable * On the left hand section, draw a rhombus. * On the right hand side, list all of the properties of a rhombus. 1....
RHOMBUS A parallelogram with FOUR CONGRUENT SIDES
A quadrilateral is a RHOMBUS if and only if it has four congruent sides
RHOMBUS Diagonals Bisect A Pair of Opposite Angles Theorem 8.12
Diagonals are Perpendicular Theorem 8.11 RHOMBUS
Foldable * Fold over the fourth cut section and write SQUARE on the outside. SQUARE * Reopen the fold. 1. Has 4 Congruent ...
Foldable * On the left hand section, draw a square. * On the right hand side, list all of the properties of a square. 1. O...
SQUARE A parallelogram with FOUR RIGHT ANGLES  AND  FOUR CONGRUENT SIDES
A quadrilateral is a SQUARE if and only if it has four congruent sides and four right angles
SQUARE Holds same properties as Rhombus and Rectangle.  In other words,   a quadrilateral is a square if and only if it is...
Let's make a Venn Diagram Relating all of the Properities of our quadrilaterals
QUADRILATERALS PARALLELOGRAMS RHOMBUSES RECTANGLES Squares
QUADRILATERALS PARALLELOGRAMS RHOMBUSES RECTANGLES Squares 1. Diagonals bisect angles 2. Diag. perpendicular 3. 4 equal si...
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8 4 Rhombuses, Rectangles, And Squares

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8 4 Rhombuses, Rectangles, And Squares

  1. 1. Special Quadrilaterals
  2. 2. Quadrilateral Four sided polygon
  3. 3. Foldable 1. Take out a piece of notebook paper and make a hot dog fold over from the right side over to the pink line.
  4. 4. Foldable 2. Now, divide the right hand section into 5 sections by drawing 4 evenly spaced lines. The fold crease 3. Use scissors to cut along your drawn line, but ONLY to the crease!
  5. 5. Foldable 4. Write QUADRILATERALS down the left hand side The fold crease QUADRILATERALS
  6. 6. Foldable 5. Fold over the top cut section and write PARALLELOGRAM on the outside. The fold crease Parallelogram 6. Reopen the fold. QUADRILATERALS
  7. 7. Foldable 7. On the left hand section, draw a parallelogram. 8. On the right hand side, list all of the properties of a parallelogram. QUADRILATERALS
  8. 8. Parallelograms Now, Let’s review what we learned last class
  9. 9. A quadrilateral is a PARALLELOGRAM if and only if it has two sets of parallel sides
  10. 10. Properties 1.BOTH pairs of opposite sides are parallel 2.BOTH pairs of opposite sides are congruent 3. BOTH pairs of opposite angles are congruent 4.Consecutive angles are supplementary 5.diagonals BISECT each other
  11. 11. Foldable * Fold over the second cut section and write RECTANGLE on the outside. RECTANGLE * Reopen the fold. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. QUADRILATERALS
  12. 12. Foldable * On the left hand section, draw a rectangle. * On the right hand side, list all of the properties of a rectangle. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. QUADRILATERALS
  13. 13. RECTANGLE A parallelogram with FOUR RIGHT ANGLES
  14. 14. A quadrilateral is a RECTANGLE if and only if it has four right angles
  15. 15. RECTANGLE Diagonals are Congruent Theorem 8.13
  16. 16. Foldable * Fold over the third cut section and write RHOMBUS on the outside. RHOMBUS * Reopen the fold. 1. Has 4 right angles. 2. Diagonals are congruent. 3. All properties of parallelogram. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. QUADRILATERALS
  17. 17. Foldable * On the left hand section, draw a rhombus. * On the right hand side, list all of the properties of a rhombus. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. 1. Has 4 right angles. 2. Diagonals are congruent. 3. All properties of parallelogram. QUADRILATERALS
  18. 18. RHOMBUS A parallelogram with FOUR CONGRUENT SIDES
  19. 19. A quadrilateral is a RHOMBUS if and only if it has four congruent sides
  20. 20. RHOMBUS Diagonals Bisect A Pair of Opposite Angles Theorem 8.12
  21. 21. Diagonals are Perpendicular Theorem 8.11 RHOMBUS
  22. 22. Foldable * Fold over the fourth cut section and write SQUARE on the outside. SQUARE * Reopen the fold. 1. Has 4 Congruent sides 2. Diagonals bisect opposite angles. 3. Diagonals are perpendicular. 4. All properties of parallelograms. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. 1. Has 4 right angles. 2. Diagonals are congruent. 3. All properties of parallelogram. QUADRILATERALS
  23. 23. Foldable * On the left hand section, draw a square. * On the right hand side, list all of the properties of a square. 1. Opposite sides parallel. 2. Opposite sides congruent. 3. Opposite angles are congruent. 4. Consecutive angles are supplementary. 5. Diagonals bisect each other. 1. Has 4 right angles. 2. Diagonals are congruent. 3. All properties of parallelogram. 1. Has 4 Congruent sides 2. Diagonals bisect opposite angles. 3. Diagonals are perpendicular. 4. All properties of parallelograms. QUADRILATERALS
  24. 24. SQUARE A parallelogram with FOUR RIGHT ANGLES AND FOUR CONGRUENT SIDES
  25. 25. A quadrilateral is a SQUARE if and only if it has four congruent sides and four right angles
  26. 26. SQUARE Holds same properties as Rhombus and Rectangle. In other words, a quadrilateral is a square if and only if it is a rhombus and a rectangle.
  27. 27. Let's make a Venn Diagram Relating all of the Properities of our quadrilaterals
  28. 28. QUADRILATERALS PARALLELOGRAMS RHOMBUSES RECTANGLES Squares
  29. 29. QUADRILATERALS PARALLELOGRAMS RHOMBUSES RECTANGLES Squares 1. Diagonals bisect angles 2. Diag. perpendicular 3. 4 equal sides 1. Polygon 2. 4 sides 1. 4 rt. angles 2. Diagonals congruent 5. Consecutive angles supplementary 4. Diagonals Bisect 3. Opposite Sides parallel 2. Opposite Angles congruent 1. Opposite Sides congruent

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