- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

#### Presentation Transcript

**1. **Quadrilaterals Definitions and Types

**2. **Your Mission, should you choose to accept it: Learn as much as you can about quadrilaterals
Follow hyperlinks for extra definitions
Use the button to move to the next slide
Use the button to return to the previous slide
Test your knowledge along the way

**3. **Along the way… You will acquire knowledge about:
Rectangles
Squares
Parallelograms
Rhombuses and
Trapezoids
Their definitions are very important to your survival in Geometry!

**4. **Relationships

**5. **Any closed plane figure with 4 segments as sides:
Quadrilaterals

**6. **Quadrilateral Check list: There are 4 sides and
Each side is a line segment and
The figure is closed and
All segments are in one plane

**7. **Quadrilaterals and Non-Quadrilaterals

**8. **Did you find 7? Yes or No

**9. **Test Your Knowledge: NOT 4 sides
NOT all line segment
NOT closed
NOT in one plane

**10. **Did you choose 1 correct answer Yes or No

**11. **Test Your Knowledge: NOT 4 sides
NOT all line segments
NOT closed
NOT in one plane

**12. **Did you choose 3 correct answers? Yes or No

**13. **You are on your way! There are 5 types of quadrilaterals that you will learn about:
Parallelograms
Rectangles
Squares
Rhombuses and
Trapezoids

**14. **Watch Out… Carefully analyze the definitions
Even little words count!
Words like exactly one: not 2 , not 0; just 1
Or at most one: could be 0 or 1
Follow hyperlinks to clarify any unknown words.
There are symbols for some of the characteristics, pay attention to these.

**15. **During the next lessons Repeat a previous slide if needed by using the button.
Go onto the next slide by using the button
Visit the Venn diagram of relationships at any time

**16. **Types of Quadrilaterals Parallelograms
Rectangles
Squares
Rhombuses
Trapezoids

**17. **Parallelogram A quadrilateral with both pairs of opposite sides parallel.

**18. **Parallelogram Check List Must be a Quadrilateral
Both pairs of sides must be parallel

**19. **Choose the best answer(s)

**20. **Did you find 1 right answer? Yes or No

**21. **Choose the best answer(s)

**22. **Did you find 3 right answer? Yes or No

**23. **Rectangle A parallelogram with 4 right angles.

**24. **Rectangle check list Must be a parallelogram and
Must have 4 right angles

**25. **Check out this site: Explore this applet
Compare parallelograms and rectangles
Click the back button when done
Go to applet

**26. **Squares A rectangle with all 4 sides equal in length

**27. **Square check list: Must be a rectangle and
All 4 sides equal in length

**28. **Rhombus A parallelogram with all 4 sides of equal length.

**29. **Rhombus check list: Must be a parallelogram and
All 4 sides of equal length

**30. **Trapezoid A quadrilateral with exactly 1 pair of parallel sides.

**31. **Trapezoid check list: Must be a quadrilateral and
Only 1 pair of parallel sides

**32. **Relationships

**33. **Check out this site Explore the gizmo!
Then answer the questions provided
Click the back button when finished
Go to Gizmo

**34. **Parallel lines Lines in the same plane that do not intersect:
Like a set of rail road tracks.

**35. **Plane A flat surface that extends without end in all directions.

**36. **segment or line segment Consists of any 2 distinct points (different) on a line and all the points between them:

**37. **Right Angle An angle whose measure is 90 degrees.

**38. **Quadrilateral Check list: There are 4 sides and
Each side is a line segment and
The figure is closed and
All segments are in one plane

**39. **Rectangle check list Must be a parallelogram and
Must have 4 right angles

**40. **Parallelogram Check List Must be a Quadrilateral
Both pairs of sides must be parallel

**41. **Rhombus check list: Must be a parallelogram and
Must have all sides of equal length

**42. **Trapezoid check list: Must be a quadrilateral and
Must have only 1 pair of parallel sides

**43. **Square check list: Must be a rectangle and
Must have all 4 sides equal in length

**44. **Relationships