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It depends on what kind of triangle. A scalene triangle (no equal sides or angles) would not have any lines of symmetry. An isosceles triangle would have 1 line of symmetry, and an equilateral triangle would have 3 lines of symmetry.
I would think there would be an infinite number of lines of symmetry. Any line passing through the center of the circle, regardless of the angle will be a symmetry line.
A line segment would have rotational symmetry.
To determine the line of symmetry of shape Z, you would need a visual representation of Z. Without that information, it is not possible to determine the line of symmetry.
Identical construction across a boundary, e.g. a line. There is also rotational symmetry.
Rotational symmetry is the amount of symmetry you would have if you rotated the shape.
bilateral symmetry
z does not have a line of symmetry. z does not have a line of symmetry. z does not have a line of symmetry. z does not have a line of symmetry.
Yes, this would be perfect symmetry.
Yes, amphibians have bilateral symmetry.
It depends on what kind of triangle. A scalene triangle (no equal sides or angles) would not have any lines of symmetry. An isosceles triangle would have 1 line of symmetry, and an equilateral triangle would have 3 lines of symmetry.
Sting rays have a two fold axis of symmetry which would make it closed symmetry.
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A circle. It has an infinate amount of lines of symmetry.
I would think there would be an infinite number of lines of symmetry. Any line passing through the center of the circle, regardless of the angle will be a symmetry line.
A mite has billateral symmetry because if you divide it lenghthwise, the two halves would be identical. But if divided any other way you would not have two matching halves, such as you would with a starfish or jellyfish, which have radial symmetry.
A sphere has one point of symmetry (at its very center) if one considers rotational symmetry in its three dimensions. If one is only considering reflectional symmetry, it would have an infinite number of lines of symmetry.