1. Chapter 6
Quadrilaterals

2. Section 4 Rhombuses, Rectangles, and Squares

4. Example 1: Use Properties of Special Parallelograms
In the diagram, ABCD is a rectangle.
Find AD and AB.
b) Find m<A, m<B, m<C and m<D.

5. Checkpoint: Use Properties of Special Parallelograms
Checkpoint: Use Properties of Special Parallelograms. In the diagram, PQRS is a rhombus. Find QR, RS, and SP.

7. Example 2: Identify Special Quadrilaterals Use the Information in the diagram to name the special quadrilateral.

8. Checkpoint: Identify Special Quadrilaterals Use the Information in the diagram to name the special quadrilateral.

10. Example 3: Use Diagonals of a Rhombus ABCD is a rhombus
Example 3: Use Diagonals of a Rhombus ABCD is a rhombus. Find the value of x.

12. Example 4: Use Diagonals of a Rectangle
You nail four pieces of wood together to build a four- sided frame, as shown. What is the shape of the frame?
The diagonals measure 7 feet 4 inches and 7 feet 2 inches. Is the frame a rectangle?

13. Checkpoint: Use Diagonals Find the value of x.

14. EXIT SLIP