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Polygons
3-D
Angles Turns or Geometry
Symmetry in the
Shapes
real
world
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Show the number with your
fingers…
1. Visualize an octagonal prism.
2. How many faces does this prism have?
10
Name it!
A.
B.
Pentagonal pyramid
Pentagonal prism
They share this base
Examine this triangular pyramid.
How many faces?
How many edges?
How many vertices?
5 faces
9 edges
6 vertices
What are these quadrilaterals called?
Kites
Who am I?
Hexagonal
pyramid
What type of polygons are displayed below?
Not Regular Polygons
The polygon on the right is a convex polygon. What kind of
polygon is displayed on the left?
A concave polygon
How many vertices do I have?
8
Which quadrilateral has all right angles?
rectangles
Which shape would you describe as having corners that are:
a) All right angles?
b) Less than a right angle?
c) More than a right angle
Match the congruent polygons!
A
E
D
B
G
C
How could you describe the angle formed by the laptop
computer?
More than a right angle!
Are these polygons congruent?
50
Free
Points!!
What polygon am I?
trapezoid
This is a top view of an object. What is the object?
Coffee cup
What shape do you see?
8 sides = octagon
What Shapes do you see?
Hexagons in the bee hive!
What shape do you see?
pyramids
If A is the original rectangle, would we describe the turn as clockwise or
counter clockwise?
clockwise
A
How could we describe the turn made by the arms
on the clock.
a) a quarter clockwise turn
b) a half clockwise turn
c) a quarter counter clockwise turn
a quarter clockwise turn
Appoint two people on your team to stand
up and model 4 clockwise turns. What
type of turn did your team mates make
after the fourth turn?
How many reflective lines of symmetry
does this scalene triangle have?
No lines of reflective symmetry
Look around your classroom and find
an example of a right angle!