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**8.6 – Identify Special Quadrilaterals**

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Quadrilaterals

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**All Polygons Quadrilaterals Parallelograms Kites Trapezoids Rectangle**

Rhombus Squares Trapezoids Isosceles Trapezoids

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**diagonals are congruent**

1. Give the most specific name for the quadrilateral. Explain. Rectangle, diagonals are congruent

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**One pair of opposite sides parallel, base angles are congruent**

1. Give the most specific name for the quadrilateral. Explain. Isosceles Trapezoid, One pair of opposite sides parallel, base angles are congruent

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**Rectangle – diagonals are congruent **

1. Give the most specific name for the quadrilateral. Explain. Square, Rectangle – diagonals are congruent Rhombus – diagonals are perpendicular So, shape is a rectangle and rhombus

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**Both pairs of opposite sides are parallel**

1. Give the most specific name for the quadrilateral. Explain. Parallelogram, Both pairs of opposite sides are parallel

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**Consecutive sides are congruent**

1. Give the most specific name for the quadrilateral. Explain. Kite, Consecutive sides are congruent

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**Opposite sides are congruent**

2. Tell whether enough information is given in the diagram to classify the quadrilateral by the indicated name. Explain. Yes, Opposite sides are congruent

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**Don’t know about the other sides**

2. Tell whether enough information is given in the diagram to classify the quadrilateral by the indicated name. Explain. No, Don’t know about the other sides

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**Don’t know if one pair of opposite sides are parallel**

2. Tell whether enough information is given in the diagram to classify the quadrilateral by the indicated name. Explain. No, Don’t know if one pair of opposite sides are parallel

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**Both pairs of opposite sides are parallel.**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Both pairs of opposite sides are parallel. A. Parallelogram B. Rectangle C. Rhombus D. Square

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**Both pairs of opposite sides are congruent**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Both pairs of opposite sides are congruent A. Parallelogram B. Rectangle C. Rhombus D. Square

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**Both pairs of opposite angles are congruent**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Both pairs of opposite angles are congruent A. Parallelogram B. Rectangle C. Rhombus D. Square

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**Exactly one pair of opposite sides are parallel**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Exactly one pair of opposite sides are parallel E. Trapezoid F. Isosceles Trapezoid

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**Exactly one pair of opposite sides are congruent**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Exactly one pair of opposite sides are congruent F. Isosceles Trapezoid

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**Exactly one pair of opposite angles are congruent**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Exactly one pair of opposite angles are congruent G. Kite

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**Diagonals are congruent**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Diagonals are congruent B. Rectangle D. Square F. Isosceles Trapezoid

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**Diagonals are perpendicular**

3. Match the property on the left with all of the quadrilaterals that have the property. . Parallelogram . Rectangle . Rhombus . Square . Trapezoid . Isosceles Trapezoid . Kite Diagonals are perpendicular C. Rhombus D. Square G. Kite

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**HW Problem #18 No, could be a kite 8.6 554-556**

14-16, 18, 19, 26-28, 33-35 #18 Ans: No, could be a kite

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