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Classifying Quadrilaterals
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What is a quadrilateral?
A quadrilateral is a closed 2 dimensional figure with that are line segments. four sides
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What is a parallelogram?
Quadrilateral – 4 sides Opposite sides congruent Opposite sides parallel
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What is a rectangle? Quadrilateral- 4 sides Four right angles.
Parallelogram- opposite sides parallel Four right angles.
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What is a rhombus? Quadrilateral- 4 sides
Parallelogram- opposite sides parallel Four congruent sides.
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What is a square? Quadrilateral – 4 sides
Parallelogram- opposite sides parallel Rectangle- 4 right angles Rhombus- 4 sides congruent
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What is a trapezoid? Quadrilateral – 4 sides
Exactly one pair of parallel sides
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Quadrilateral Parallelogram Rhombus Rectangle Square Trapezoid
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What are all of the names for this polygon?
Quadrilateral Parallelogram Rectangle Which name best describes the shape?
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What are all of the names for this polygon?
Quadrilateral Parallelogram Which name best describes the shape?
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What are all of the names for this polygon?
Quadrilateral Parallelogram Rhombus Which name best describes the shape?
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What are all of the names for this polygon?
Quadrilateral Trapezoid Which name best describes the shape?
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What are all of the names for this polygon?
Quadrilateral Parallelogram Square Rhombus Rectangle Which name best describes the shape?
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Property of quadrilaterals
The sum of all the angles equals 360º degrees. 90º 90º 90º 90º
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Property of Quadrilaterals
The sum of all the angles equals 360º degrees. 70º 70º 70º 70º 110º 110º + 110º 110º 360º
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Property of Quadrilaterals
The sum of all the angles equals 360º degrees. 65º 65º 115º 65º 115º 115º + 65º 115º 360º
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What is the missing angle?
58º 109º 81º ? 109º 58º 81º + ? 360º
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