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Quadrilaterals. Kimberly A. Yuretich. Objectives. To identify any quadrilateral, by name, as specifically as you can, based on its characteristics. Quadrilateral. a quadrilateral is a polygon with 4 sides. Specific Quadrilaterals.

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Quadrilaterals

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Quadrilaterals l.jpg

Quadrilaterals

Kimberly A. Yuretich


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Objectives

  • To identify any quadrilateral, by name, as specifically as you can, based on its characteristics


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Quadrilateral

  • a quadrilateral is a polygon with 4 sides.


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Specific Quadrilaterals

  • There are several specific types of quadrilaterals. They are classified based on their sides or angles.


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A quadrilateral simply has 4 sides – no other special requirements.


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Examples of Quadrilaterals


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A parallelogram has two pairs of parallel sides.


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Parallelogram

  • Two pairs of parallel sides

  • opposite sides are actually congruent.


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A rhombus is a parallelogram that has four congruent sides.


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Rhombus

  • Still has two pairs of parallel sides; with opposite sides congruent.

4 in.

4 in.

4 in.

4 in.


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A rectangle has four right angles.


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Rectangle

  • Still has two pairs of parallel sides; with opposite sides congruent.

  • Has four right angles


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A square is a specific case of both a rhombus AND a rectangle, having four right angles and 4 congruent sides.


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Square

  • Still has two pairs of parallel sides.

  • Has four congruent sides

  • Has four right angles


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A trapezoid has only one pair of parallel sides.


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An isosceles trapezoid is a trapeziod with the non-parallel sides congruent.


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Trapezoid

  • has one pair of parallel sides.

Isosceles trapezoid

trapezoids

(Each of these examples shown has top and bottom sides parallel.)


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An kite is a quadrilateral with NO parallel sides but 2 pairs of adjacent congruent sides.


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Example of a Kite

4 in.

2 in.

2 in.

4 in.


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