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# 2.11 Diagonal Properties Quads

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### 2.11 Diagonal Properties Quads

1. 1. Diagonals in quadrilaterals<br />11/19/09<br />EQ: What are the properties of diagonals in quadrilaterals?<br />
2. 2. Review:<br />Parallel?<br />Perpendicular?<br />Diagonal?<br />Line of Symmetry?<br />
3. 3. Review:<br />Look at diagonal figures in Venn from yesterday<br />
4. 4. Review:<br />Which ones have diagonals that are perpendicular to a side?<br />
5. 5. Review:<br />Which ones have diagonals that are parallel to a side?<br />
6. 6. Hand out blank paper. <br />Fold in sixths.<br />In each section, draw:<br />
7. 7. Parallelogram<br />Trapezoid<br />Square<br />Rectangle<br />Rhombus<br />
8. 8. Hand out charts.<br />Read headings for columns.<br />What goes in column one?<br />Fill it in.<br />
9. 9. What does the word bisect mean?<br />Cut exactly in half.<br />Look at figures and do the predict columns 2, 4, 6.<br />
10. 10. Hand out rulers and measure sides and diagonals for columns 2, 5, 7.<br />Record data.<br />Be prepared to share<br />
11. 11. Answer questions at bottom of sheet.<br />
12. 12. EQ:<br />What are the properties of diagonals in quadrilaterals?<br />