1. Quadrilaterals
Brett Solberg AHS ‘11-’12

2. Welcome Back!!!
Complete the Triangle Review Worksheet

3. Today’s Agenda Quadrilaterals Identifying Different Types
Using Properties

4. Quadrilateral
A four sided polygon

5. Parallelogram
A quadrilateral whose opposite sides are parallel.

6. Rhombus
A parallelogram with 4 congruent sides

7. Rectangle
Parallelogram with 4 right angles

8. Square A parallelogram with 4 right angles and 4 congruent sides.
A combination of a rectangle and rhombus.

9. Kite
Quadrilateral where 2 pairs of adjacent sides are congruent.

10. Trapezoid
A quadrilateral with exactly one set of parallel sides.

11. Isosceles Trapezoid
Trapezoid where non-parallel sides are congruent.

12. Identification Activity

13. Example 1
What shape are we working with?
3b + 2
5a a + 8
4b - 2

14. Example 2
The sum of the angles in a quad is 360˚.

15. HW Example #10 Determine the most precise name for the quadrilateral.
A(-2,4), B(2,6), C(6, 4), D(2, -3)

16. Homework
6.1 Worksheet and pg 308 #1 – 14 all

17. HW Example