Classifying Quadrilaterals

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Presentation transcript:

Classifying Quadrilaterals

What is a quadrilateral? A quadrilateral is a closed 2 dimensional figure with that are line segments. four sides

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

What is a rectangle? Quadrilateral- 4 sides Four right angles. Parallelogram- opposite sides parallel Four right angles.

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

Quadrilateral Parallelogram Rhombus Rectangle Square Trapezoid

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 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?

Property of quadrilaterals The sum of all the angles equals 360º degrees. 90º 90º 90º 90º

Property of Quadrilaterals The sum of all the angles equals 360º degrees. 70º 70º 70º 70º 110º 110º + 110º 110º 360º

Property of Quadrilaterals The sum of all the angles equals 360º degrees. 65º 65º 115º 65º 115º 115º + 65º 115º 360º

What is the missing angle? 58º 109º 81º ? 109º 58º 81º + ? 360º