1. 8-5: Rhombi and Squares

2. Rhombus Definition - a quadrilateral with all four sides congruent.
Properties
Has all of the properties of a parallelogram.
Diagonals are perpendicular.
Each diagonal bisects a pair of opposite angles.

3. Quadrilateral EFGH is a rhombus. Find x.

4. If EFGH is a rhombus and m<FED=3x+3 and m<DEH=5x-7, find m<FGH

5. Square
Definition – a quadrilateral that is both a rhombus and a rectangle.
Has all properties of
Parallelograms
Rectangles
Rhombi

6. Given A(1,3), B(-3,1), C(-1,-3), D(3,-1). Classify quadrilateral ABCD.

7. Assignment:
WB 8-5: all except 12.