1. PIB Geometry 5-5: Trapezoids

2. 5-5 Warm Up. Answer True of False Chapter 5 True False Practice.docx

3. 5-4 Homework Questions

4. 5-5: Trapezoids - Objectives Apply definitions and identify the properties of kite, trapezoid and isosceles trapezoid.

5. Definitions A trapezoid is a quadrilateral with… An isosceles trapezoid is a trapezoid with…

6. A kite is a quadrilateral with… We actually proved a property about kites already in the chapter 4 notes.chapter 4 notes

7. Theorem 5-18: Isosceles Trapezoid Theorem The base angles of an isosceles trapezoid are congruent. Proved in last night’s homework:

8. Definition A median of a trapezoid is Note the difference between median of a triangle and median of a trapezoid! You’d think these mathematicians could have come up with a new word…

9. Theorem 5-19: Trapezoid Median Theorem The median of a trapezoid: 1.Is parallel to the bases 2.Has length equal to the average of the bases

10. Does anyone care about the proof???

11. Example

12. How do BE, CF, and DG compare in this triangle?

13. 5-5 Homework p. 192: #1-19 odd, 28, 8, 16