Topic 10 "Symmetires in Regular Polygons"

Topic 10 "Symmetires in Regular Polygons"

Monday 11/9 Lesson

Multiple Select

Which of the following polygons are symmetrical?

Multiple Choice

 Consider the following rectangle:

a)  Reflect the image across the line  $x=-1$   . Does the transformation result in the original pre-image? 

• Yes

• No

Multiple Choice

 Consider the following rectangle:

b)  Reflect the image across the line  $y=-2$   . Does the transformation result in the original pre-image? 

• Yes

• No

Multiple Choice

 Consider the following rectangle:

c)  Reflect the image across the line  $y=-1$   . Does the transformation result in the original pre-image? 

• Yes

• No

Fill in the Blank

 Consider the following rectangle:

d)  a)   The equations of the lines that maps the rectangle unto itself are _______________________

Multiple Choice

What line will carry the figure onto itself? Hint Graph each line.

• $x=1$

• $x=2$

• $y=4$

• $y=7$

Multiple Choice

Name the line of reflections that will reflect the polygon unto itself?

• 
  

  Reflection across line $a$

• Reflection across line $b$

• Reflection across line $c$

• Reflection across line $d$

Multiple Choice

What is the smallest angle of rotation that will map a square onto itself?

• 45

• 90

• 60

• 72

• 40

Multiple Choice

What is the smallest angle of rotation that will map a pentagon onto itself?

• 45

• 90

• 60

• 72

• 40

Multiple Choice

What is the smallest angle of rotation that will map a octagon onto itself?

• 45

• 90

• 60

• 72

• 40

Multiple Choice

What is the smallest angle of rotation that will map a nongon onto itself?

• 45

• 90

• 60

• 72

• 40