# 6.6 Special Quadrilaterals - PowerPoint PPT Presentation

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1. 6.6 Special Quadrilaterals Honors Geometry

2. 6.5 Practice B

3. Learning Goals Today you will:

4. Warm Up Name the figure. • A quadrilateral with exactly one pair of opposite angles congruent and perpendicular diagonals • A quadrilateral that is both a rhombus and a rectangle • A quadrilateral with exactly one pair of parallel sides • Any parallelogram with perpendicular diagonals

5. Which figure does not belong?

6. Which figure does not belong?

7. Identifying Quadrilaterals Name three types of quadrilaterals with diagonals that are perpendicular.

8. On Your Own Identify the quadrilateral meeting the condition with the most specific name.

9. Show that QRST is an isosceles trapezoid

11. On Your Own • Can you conclude ABCD is a square? • What type of quadrilateral is ABCD? Explain how to prove it.

12. Closure At least two opposite angles of EFGH are congruent. What kind of quadrilateral might it be?

13. Homework Practice C 6.4 – 6.6 Quiz tomorrow! Chapter 6 Group Test Monday Chapter 6 Individual Test Tuesday

14. 6.6 Practice C