Polygons with four sides

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Presentation transcript:

Polygons with four sides Quadrilaterals Polygons with four sides

Foldable 1. Take out a piece of notebook paper and make a hot dog fold over from the right side over to the pink line.

Foldable The fold crease 2. Now, divide the right hand section into 5 sections by drawing 4 evenly spaced lines. 3. Use scissors to cut along your drawn line, but ONLY to the crease!

Foldable QUADRILATERALS The fold crease 4. Write QUADRILATERALS down the left hand side QUADRILATERALS

Foldable Parallelogram QUADRILATERALS The fold crease 5. Fold over the top cut section and write PARALLELOGRAM on the outside. 6. Reopen the fold.

Foldable QUADRILATERALS 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. 7. On the left hand section, draw a parallelogram. 8. On the right hand side, list all of the properties of a parallelogram.

Foldable QUADRILATERALS RECTANGLE 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. * Fold over the second cut section and write RECTANGLE on the outside. RECTANGLE * Reopen the fold.

Foldable QUADRILATERALS * On the left hand section, draw a rectangle. 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. 1.Is a special type of parallelogram. 2. Has 4 right angles 3. Diagonals are congruent. * On the left hand section, draw a rectangle. * On the right hand side, list all of the properties of a rectangle.

Foldable QUADRILATERALS RHOMBUS 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. 1.Is a special type of parallelogram. 2. Has 4 right angles 3. Diagonals are congruent. * Fold over the third cut section and write RHOMBUS on the outside. RHOMBUS * Reopen the fold.

Foldable QUADRILATERALS * On the left hand section, draw a rhombus. 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. * On the left hand section, draw a rhombus. 1.Is a special type of parallelogram. 2. Has 4 right angles 3. Diagonals are congruent. * On the right hand side, list all of the properties of a rhombus. 1. Is A Special type of Parallelogram 2. Has 4 Congruent sides 3. Diagonals are perpendicular. 4. Diagonals bisect opposite angles

Foldable QUADRILATERALS SQUARE 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. 1.Is a special type of parallelogram. 2. Has 4 right angles 3. Diagonals are congruent. * Fold over the third cut section and write SQUARE on the outside. 1. Is A Special type of Parallelogram 2. Has 4 Congruent sides 3. Diagonals are perpendicular. 4. Diagonals bisect opposite angles * Reopen the fold. SQUARE

Foldable QUADRILATERALS * On the left hand section, draw a square. 1. Opposite angles are congruent. 2. Consecutive angles are supplementary. 3. Opposite sides are congruent. 4. Diagonals bisect each other. 5. Diagonals make 2 congruent triangles. * On the left hand section, draw a square. 1.Is a special type of parallelogram. 2. Has 4 right angles 3. Diagonals are congruent. 1. Is A Special type of Parallelogram 2. Has 4 Congruent sides 3. Diagonals are perpendicular. 4. Diagonals bisect opposite angles * On the right hand side, list all of the properties of a square. 1. Is a parallelogram, rectangle, and rhombus 2. 4 congruent sides and 4 congruent Foldable (right) angles * Place in your notebook and save for tomorrow.

The last Box will be Other Quadrilaterals: Regular Trapezoids Irregular trapezoid Quadrilaterals Kites

Characteristics Of Other Quadrilaterals All trapezoids Exactly 1 pair of parallel sides 360 degrees Regular Trapezoids: Consecutive angles total 180 degrees Base angles are congruent

Characteristics Of Other Quadrilaterals All quadrilaterals 4 sides 360 degrees Kites Adjacent sides congruent Diagonals perpendicular

Types of Quadrilaterals Parallelogram: Quadrilateral with opposite sides that are parallel and of equal length and opposite angles are equal Indicates equal sides

Types of Quadrilaterals Rectangle: Quadrilateral with two pairs of equal sides and four right angles (90 degrees) Indicates equal sides Box indicates 900 angle

Types of Quadrilaterals Rhombus: Parallelogram with four equal sides and opposite angles equal Indicates equal sides

Types of Quadrilaterals Square: Quadrilateral with four equal sides and four right angles (90 degrees) Indicates equal sides Box indicates 900 angle

Types of Quadrilaterals Trapezoid: Quadrilateral with one pair of parallel sides Parallel sides never meet.

Types of Quadrilaterals Irregular shapes: Quadrilateral with no equal sides and no equal angles

Name the Quadrilaterals 1 3 2 irregular rhombus rectangle 5 6 4 parallelogram trapezoid square

Interior Angles Interior angles: An interior angle (or internal angle) is an angle formed by two sides of a simple polygon that share an endpoint Interior angles of a quadrilateral always equal 360 degrees