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Question
What is the line of symmetry of a semi-circle? Does it have rotational symmetry?
What is the line of symmetry of a semi-circle? Does it have rotational symmetry?
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Solution
The imaginary line or axis along which we can fold a figure to obtain identical halves is called the line of symmetry.
The semi-circle has one line of symmetry.
If a figure is rotated around a center and it still appears exactly as it did before the rotation, it is said to have rotational symmetry
No, it does not have rotational symmetry.
The imaginary line or axis along which we can fold a figure to obtain identical halves is called the line of symmetry.
The semi-circle has one line of symmetry.
If a figure is rotated around a center and it still appears exactly as it did before the rotation, it is said to have rotational symmetry
No, it does not have rotational symmetry.
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