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Polygons Not Polygons

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**What is the definition of a polygon?**

Answer A closed flat
figure with at least
three straight
sides

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Quadrilaterals Not Quadrilaterals

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**What is the definition of a quadrilateral?**

Answer A polygon with
four sides

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Parallelograms Not Parallelograms

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**What is the definition of a parallelogram?**

Answer A quadrilateral
with two pairs of
parallel sides

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Rectangles Not Rectangles

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**What is the definition of a rectangle?**

Answer A quadrilateral
with four right
angles and two
pairs of parallel
sides

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Square Not Squares

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**What is the definition of a square?**

Answer A quadrilateral
with four right
angles, two pairs
of parallel sides,
and all sides equal

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Rhombus Not Rhombus

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**What is the definition of a rhombus?**

Answer A quadrilateral
with two pairs of
parallel sides and
all sides equal

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Trapezoids Not Trapezoids

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**What is the definition of a Trapezoid?**

Answer A quadrilateral
with exactly one
pairs of parallel
sides

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**What is the definition of a regular polygon?**

Answer A polygon with all
sides and angles
congruent What is the definition of
a regular polygon? What do we call a regular triangle? Equilateral triangle What do we call a regular quadrilateral? Square

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Classify each quadrilateral in as many ways as
possible by dragging the terms and placing them
on top of the shape. Terms may be used more
than once. trapezoid quadrilateral trapezoid square quadrilateral square rhombus quadrilateral rhombus parallelogram parallelogram parallelogram quadrilateral rectangle rectangle rhombus rectangle quadrilateral parallelogram

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A polygon is convex if any two interior points can be connected
with a segment that lies completely with in the polygon. A polygon is concave if any two interior points cannot be
connected with a segment that lies completely with in the polygon. B.) Draw an example of a concave polygon A.) Draw and example of a convex polygon.

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**The sum of the angles of a quadrilateral is 360 .**

Sum of the Interior Angles of a Quadrilateral If you draw a diagonal of a quadrilateral, you will get two triangles. 1.) Use this information to find the sum of the interior angles of a
quadrilateral. The sum of the angles of a quadrilateral is

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**Write an equation to find the value of x and then find the value of each missing angle.**

xo (2x + 1)o

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