Rectangles Four right angles Square Four sides are congruent Rhombus There is one more type of parallelogram. Parallelograms Opposite sides are parallel. Rectangles Four right angles Square Four sides are congruent There is one more type of parallelogram. Rectangles Four right angles Square Four sides are congruent
Rectangles Four right angles Square A square is a rectangle that has congruent sides All four sides are exactly the same size Rectangles Four right angles A square is a rectangle So we look at another property Four right angles Rectangles There are special parallelograms we call rectangles. So we look at another property Four right angles right acute obtuse Let’s look at the property that makes a quadrilateral a parallelogram Opposite sides are parallel. Parallelograms Our biggest group is the parallelograms. acute-an angle less than 90 These groups are called angle-measures how far a figure has rotated around a point parallelogram parallelograms para ogram lel classify-organize into groups based on properties rectangles congruent-exact same shape-exact same size square rhombi (Plural for rhombus) obtuse-an angle greater than 90 trapezoids Kite or diamond parallel-lines that never meet irregular right-an angle equal to 90 Similar-same figure could be different size We classify quadrilaterals into groups that have similar properties. Let’s get organized! Like other polygons, quadrilaterals have properties. acute-an angle less than 90 We can look at the size of the angles angle-measures how far a figure has rotated around a point right acute obtuse congruent-exact same shape-exact same size We look to see if opposite sides are parallel obtuse-an angle greater than 90 parallel-lines that never meet We look to see if opposite sides are congruent right-an angle equal to 90 Quadrilateral- A closed plane figure four straight edges every single one of these polygons. Quadrilateral- A closed plane figure four straight edges Quadrilateral- A closed plane figure straight edges Polygon- A closed plane figure. Quadrilateral- A closed plane figure straight edges four Polygon- A closed plane figure. Straight edges Polygon- A closed plane figure. Straight edges Polygon- Shape- A closed figureĪ closed plane figure. Straight edges Shape- A closed figure more Geometry definitionsĪ closed plane figure.
#Classifying quadrilaterals series
Straight edges Shape- A closed figure Line- a series of points that extends forever Point- A place in time or space Sorting Pages 1 Ovals, 2 quadrilateralsįigure- a line or shape that represents something What you already know Line- a series of points that extends forever Point- A place in time or spaceįigure- a line or shape that represents something Polygon- A closed plane figure.You are learning to classify quadrilaterals.E N D - Presentation TranscriptĬLASSIFYING QUADRILATERALS “…geometric shapes are the alphabet in which the book of nature is written." -Galileo
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