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Geo 3.6 Symmetry
供稿人: DiLaura
True or False

A figure is said to be symmetric if there is a 
transformation that can trace the figure back
onto itself.
True
False
Drag the correct label to each figure to tell
if the figure has symmetry and how many lines
of symmetry it has.
no lines ofsymmetry
?
2 lines of 
symmetry
?
infinite lines
of symmetry
?
Tell if the figure is reflection symmetric. 
If so, tell how many lines of symmetry the
figure has. 
No, not reflection symmetric
Yes, 2 lines of symmetry
Yes, 1 line of symmetry
Yes, infinite lines of symmetry
Tell if the figure is reflection symmetric. 
If so, tell how many lines of symmetry the
figure has. 
No, not reflection symmetric
Yes, 2 lines of symmetry
Yes, 1 line of symmetry
Yes, infinite lines of symmetry
Tell if the figure is reflection symmetric. 
If so, tell how many lines of symmetry the
figure has. 
No, not reflection symmetric
Yes, 2 lines of symmetry
Yes, 1 line of symmetry
Yes, infinite lines of symmetry
What is the "order" of rotational symmetry mean?
The smallest degree in which you turn the 
preimage to coincide with the image. 
The number of times the figure can berotated to coincide with the preimage.
The number of vertices of the preimage
Tell if the following figure is rotationally 
symmetric and if so, what is the order.
No, not rotationally symmetric
Yes, order is 1
Yes, order is 2
Yes, order is 3
Tell what the angle of rotational symmetry is 
for the following figure. 
3 degrees
60 degrees
120 degrees
180 degrees
Tell what the angle of rotational symmetry is 
for the following ambigram.
3 degrees
60 degrees
120 degrees
180 degrees
Tell if the following figure is rotationally 
symmetric and if so, what is the order.
No, not rotationally symmetric
Yes, order is 4
Yes, order is 3
Yes, order is 2
Tell if the following figure is rotationally 
symmetric and if so, what is the order.
No, not rotationally symmetric
Yes, order is 3
Yes, order is 4
Yes, order is 6
Tell if the following solid has plane symmetry, 
axis symmetry, both or neither. 
Plane symmetry
Axis symmetry
Both plane and axis
Neither symmetry
Tell if the following solid has plane symmetry, 
axis symmetry, both or neither. 
Plane symmetry
Axis symmetry
Both plane and axis
Neither symmetry
Tell if the following solid has plane symmetry, 
axis symmetry, both or neither. 
Plane symmetry
Axis symmetry
Both plane and axis
Neither symmetry
Tell if the following solid has plane symmetry, 
axis symmetry, both or neither. 
Plane symmetry
Axis symmetry
Both plane and axis
Neither symmetry
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