Quiz
Special Quadrilaterals Properties of Special Parallelograms
Definitions <ul><li>Rhombus: An equilateral parallelogram </li></ul><ul><li>Rectangle: An equiangular parallelogram </li><...
Patty Paper Construction: Rhombus <ul><li>Step 1: Use a double-edged straight edge and draw two parallel sides. </li></ul>...
Patty Paper Construction: Rectangle <ul><li>Step 1: Draw a line.  </li></ul><ul><li>Step 2: Construct a perpendicular line...
Patty Paper Construction: Square <ul><li>Step 1: Draw a segment. </li></ul><ul><li>Step 2: Construct a perpendicular line ...
Special Parallelogram Conjectures <ul><li>The diagonals of a rhombus are perpendicular and they bisect each other. </li></...
Classwork: p. 294: 11-13
Homework: p. 294: 1-13
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Special quadtilaterals special parallelograms

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Special quadtilaterals special parallelograms

  1. 1. Quiz
  2. 2. Special Quadrilaterals Properties of Special Parallelograms
  3. 3. Definitions <ul><li>Rhombus: An equilateral parallelogram </li></ul><ul><li>Rectangle: An equiangular parallelogram </li></ul><ul><li>Square: An equilateral equiangular parallelogram </li></ul>
  4. 4. Patty Paper Construction: Rhombus <ul><li>Step 1: Use a double-edged straight edge and draw two parallel sides. </li></ul><ul><li>Step 2: Rotate the straight edge and draw two more parallel sides. </li></ul><ul><li>The quadrilateral in the middle is a rhombus. </li></ul>
  5. 5. Patty Paper Construction: Rectangle <ul><li>Step 1: Draw a line. </li></ul><ul><li>Step 2: Construct a perpendicular line to the first line. </li></ul><ul><li>Step 3: Construct a perpendicular line to the second line. </li></ul><ul><li>The quadrilateral in the middle is a rectangle. </li></ul>
  6. 6. Patty Paper Construction: Square <ul><li>Step 1: Draw a segment. </li></ul><ul><li>Step 2: Construct a perpendicular line to the segment. </li></ul><ul><li>Step 3: Duplicate the segment onto the perpendicular line. </li></ul><ul><li>Step 4: Connect the endpoints of the segments and fold along that diagonal. </li></ul><ul><li>Step 5: Duplicate the first two sides. </li></ul><ul><li>The quadrilateral formed is a square. </li></ul>
  7. 7. Special Parallelogram Conjectures <ul><li>The diagonals of a rhombus are perpendicular and they bisect each other. </li></ul><ul><li>The diagonals of a rhombus bisect the angles of the rhombus. </li></ul><ul><li>The diagonals of a rectangle are congruent and bisect each other. </li></ul><ul><li>The diagonals of a square are congruent, perpendicular, and they bisect each other. </li></ul>
  8. 8. Classwork: p. 294: 11-13
  9. 9. Homework: p. 294: 1-13

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