what shape is this? what is special about this shape? how many vertices? how many faces? how many...
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![Page 1: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/1.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
What shapes are these?
Identify the Faces, Edges, Vertices.
![Page 2: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/2.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
rectangle
![Page 3: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/3.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
Rectangular Prism
![Page 4: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/4.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
rhombus
![Page 5: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/5.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
hexagon
![Page 6: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/6.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
trapezoid
A trapezoid is a quadrilateral with two sides parallel.
![Page 7: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/7.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
diamond
![Page 8: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/8.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
circle
![Page 9: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/9.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
sphere
![Page 10: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/10.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
square pyramid
![Page 11: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/11.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
square
![Page 12: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/12.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
cube
![Page 13: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/13.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
triangle
![Page 14: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/14.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
Triangle pyramid
![Page 15: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/15.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
cylinder
![Page 16: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/16.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
pentagon
![Page 17: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/17.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
hexagon
![Page 18: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/18.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?Parallelogram
Creating Parallelograms using a rectangle and a rhombus.
These are Parallelograms.
A parallelogram is a quadrilateral with opposite sides parallel (and therefore opposite angles equal). A quadrilateral with equal sides is called a rhombus, and a parallelogram whose angles are all right angles is called a rectangle. And, since a square is a degenerate case of a rectangle, both squares and rectangles are special types of parallelograms.
![Page 19: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/19.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
right angle triangle
![Page 20: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/20.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
![Page 21: What shape is this? What is special about this shape? How many vertices? How many faces? How many sides? What shapes are these? Identify the Faces, Edges,](https://reader036.vdocuments.us/reader036/viewer/2022062517/56649e8a5503460f94b8edc3/html5/thumbnails/21.jpg)
What shape is this?What is special about this shape?
How many vertices?How many faces?How many sides?
These are quadrilaterals.
A quadrilateral, sometimes also known as a tetragon or quadrangle (Johnson 1929, p. 61) is a four-sided polygon. If not explicitly stated, all four polygon vertices are generally taken to lie in a plane. (If the points do not lie in a plane, the quadrilateral is called a skew quadrilateral.) There are three topological types of quadrilaterals (Wenninger 1983, p. 50): convex quadrilaterals (left figure), concave quadrilaterals (middle figure), and crossed quadrilaterals (or butterflies, or bow-ties; right figure).
A quadrilateral with two sides parallel is called a trapezoid, whereas a quadrilateral with opposite pairs of sides parallel is called a parallelogram.