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Lesson 8-7 Holt Math Course 2 …

Lesson 8-7 Holt Math Course 2

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### Transcript

• 1. Classifying Quadrilaterals Math 2 Lowell Middle School Mrs. MacDermaid
• 3. Special Quadrilaterals • Parallelogram • Rectangle • Rhombus • Square • Trapezoid
• 4. Parallelogram • Both pairs of opposite sides are parallel and congruent. Both pairs of opposite angels are congruent.
• 5. Rectangle • Parallelogram with four right angles.
• 6. Rhombus • Parallelogram with four congruent sides
• 7. Square • Parallelogram with four congruent sides and four right angles.
• 8. Trapezoid • Exactly one pair of opposite sides is parallel.
• 9. Classifying Quadrilaterals • Quadrilaterals can have more than one name because the special quadrilaterals sometimes share properties. • The best name is the one that is the most specific.
• 10. How the Quadrilaterals are Related (Venn Diagram) Parallelograms Squares Rectangles Rhombuses Quadrilaterals Trapezoids
• 11. How the Quadrilaterals are Related (Concept Map) Parallelograms Squares RectanglesRhombuses Quadrilaterals TrapezoidsOther
• 12. Try This! • Give all the names that apply to each quadrilateral. Then give the name that best describes it.
• 13. Try This! • Give all the names that apply to each quadrilateral. Then give the name that best describes it. • The figures has opposite sides that are parallel so it is a parallelogram. • The figures has four right angles, so it is a rectangle. • Rectangle is more specific so it is the best name.
• 14. Try This! • Give all the names that apply to each quadrilateral. Then give the name that best describes it.
• 15. Try This! • Give all the names that apply to each quadrilateral. Then give the name that best describes it. • The figures has exactly one pair of opposite sides that is parallel, so it is a trapezoid.. • Trapezoid is the name that best describes this quadrilateral.
• 16. Clip Art Credits • Slide #2 Microsoft Office Clip Art Gallery http://office.microsoft.com/en-us/images/results.aspx?qu=geometric%20shapes#ai:MC900048066| http://office.microsoft.com/en-us/images/results.aspx?qu=geometric%20shapes#ai:MC900048064| http://office.microsoft.com/en-us/images/results.aspx?qu=geometric%20shapes#ai:MC900048068| http://office.microsoft.com/en-us/images/results.aspx?qu=geometric%20shapes#ai:MC900048065 • All other Slides Original line drawings by Sharon MacDermaid