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Learn about the properties of special quadrilaterals such as rectangles, squares, and rhombuses. Find measurements, identify shapes, and solve for unknown values.
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Chapter 6 Quadrilaterals
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.
Checkpoint: Use Properties of Special Parallelograms. In the diagram, PQRS is a rhombus. Find QR, RS, and SP.
Example 2: Identify Special Quadrilaterals Use the Information in the diagram to name the special quadrilateral.
Checkpoint: Identify Special Quadrilaterals Use the Information in the diagram to name the special quadrilateral.
Example 3: Use Diagonals of a Rhombus ABCD is a rhombus. Find the value of x.
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?
Checkpoint: Use Diagonals Find the value of x.