WARM UP: What is the definition of Congruent?

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Presentation transcript:

WARM UP: What is the definition of Congruent? What is the definition of Parallel? What is a Right Angle?

Classifying Quadrilaterals

What is a quadrilateral? A quadrilateral is a closed 2 dimensional figure with 4 sides that are line segments. The sum of all the angles is 360O.

What is a parallelogram? Quadrilateral – 4 sides Opposite sides congruent Opposite sides parallel

What is a rectangle? Quadrilateral- 4 sides Parallelogram- opposite sides parallel All angles are right angles which equals 90O.

What is a rhombus? Quadrilateral- 4 sides Parallelogram- opposite sides parallel Four congruent sides.

What is a square? Quadrilateral – 4 sides Parallelogram- opposite sides parallel Rectangle- 4 right angles Rhombus- 4 sides congruent

What is a trapezoid? Quadrilateral – 4 sides Exactly one pair of parallel sides

What is a isosceles trapezoid? Quadrilateral – 4 sides Exactly one pair of parallel sides One pair of non-parallel sides that are congruent

What is a right trapezoid? Quadrilateral – 4 sides Exactly one pair of parallel sides Has two angles that equal 90O

What is a Kite? Quadrilateral – 4 sides Has two pairs of adjacent sides of equal length None of its angles are more then 180O

Quadrilateral family tree This family tree shows how the quadrilaterals are related. QADRILATERAL KITE TRAPEZOID PARALLELOGRAM RIGHT TRAPEZOID RHOMBUS RECTANGLE ISOSCELES TRAPEZOID SQUARE

What are all of the names for this polygon? Quadrilateral Parallelogram Rectangle Which name best describes the shape?

What are all of the names for this polygon? Quadrilateral Parallelogram Which name best describes the shape?

What are all of the names for this polygon? Quadrilateral Parallelogram Rhombus Which name best describes the shape?

What are all of the names for this polygon? Quadrilateral Trapezoid Isosceles Trapezoid Which name best describes the shape?

What are all of the names for this polygon? Quadrilateral Parallelogram Square Rhombus Rectangle Which name best describes the shape?

Can you identify this shape from its properties? WHAT AM I: Can you identify this shape from its properties? I am a quadrilateral. I have two pairs of adjacent sides of equal length. None of its interior angles are more then 180°. The shape is a kite.

Can you identify this shape from its properties? WHAT AM I: Can you identify this shape from its properties? It is a quadrilateral. It has one pair of parallel sides. One pair of opposite, non-parallel sides are the same length. The shape is an isosceles trapezoid.