Rotational symmetry Flashcards

1
Q

What is rotational symmetry?

A

An object has rotational symmetry when it is able to retain its same shape before a complete rotation.

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2
Q

What is order of rotation?

A

It is the number of times that the object will retain it’s shape when it rotated one complete round

In this case it is 3

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3
Q

How do you determine the order of rotation for this figure?

A

Place a dot on the top arm and see that it can rotated 3 times before it returns to its orginal position

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4
Q

What is the order of symmetry for this figure?

A

The order of symmetry is 4

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5
Q

What is the order of symmetry for this figure?

A

The order of symmetry is 0

Not every object has rotational symmetry

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6
Q

What is the order of symmetry for this figure?

A

The order of symmetry is 8

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7
Q

What is the order of symmetry for this figure?

A

The order of symmetry is 2

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8
Q

What is the order of symmetry for this figure?

A

The order of symmetry is infinite

The object can be rotated countless number of times and still retain the same shape

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