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A "pure" trapezoid (a pair of parallel sides and two random sides) does not have rotational symmetry. If it is a parallelogram then it has a 180 degree symmetry. And if the paralloelogram happens to be a square, you have 90 deg symmetry.

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15y ago
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8y ago

A trapezoid does not have rotational symmetry.

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Q: If a trapezoid has rotational symmetry what is the angle of rotation?
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Continue Learning about Other Math

If a square has rotational symmetry what is the angle of rotation?

The square has 4 sides and has rotational symmetry of order 4. Also, the angle rotation measurement is 90 degrees.


Does a regular polygon have rotational symmetry?

Yes, because if a regular polygon is turned around a specific point (the angle of rotation) and matches up again, it has rotation symmetry. For example, a hexagon is a regular polygon with six sides. All sides are the same length and the same size. When you turn it around the angle of rotation, it matches with the next side. Therefore, all regular polygons have rotational symmetry. Hope this helps!


How many axes of rotational symmetry does a rectangular pyramid have?

It depends upon the pyramid: if it is a right rectangular pyramid it will have one axis of rotational symmetry which runs from the apex to the centre of the base and a rotational symmetry of 2. If it is not a right rectangular pyramid then there is no axis of rotation which will permit the pyramid to fit on itself before a complete rotation of 360°


Does a crescent have rotational symmetry?

Oh, what a lovely question! A crescent shape does indeed have rotational symmetry. If you were to turn it around its center point, it would look the same at certain angles. Isn't that just a happy little discovery?


What figure has rotational symmetry but not line symmetry?

A figure that has rotational symmetry but not line symmetry is a figure that can be rotated by a certain angle and still look the same, but cannot be reflected across a line to create a mirror image of itself. An example of such a figure is a regular pentagon, which has rotational symmetry of 72 degrees but does not have any lines of symmetry. This means that if you rotate a regular pentagon by 72 degrees, it will look the same, but you cannot reflect it across any line to create a mirror image.

Related questions

What is the angle of rotation of alphabets with rotational symmetry?

What is the angle of rotation of alphabet S


If a square has rotational symmetry what is the angle of rotation?

The square has 4 sides and has rotational symmetry of order 4. Also, the angle rotation measurement is 90 degrees.


Does a trapezoid have rotational symmetry?

A trapezoid does not have rotational symmetry. Rotational symmetry occurs when a shape can be rotated by a certain angle and still appear the same. In a trapezoid, the angles and side lengths are not equal, so rotating it will result in a different shape. Therefore, a trapezoid does not have rotational symmetry.


How do you find the smallest angle of rotational symmetry for a figure?

To find the smallest angle of rotational symmetry for a figure, divide 360 degrees by the number of rotational symmetries of the figure. The result will give you the smallest angle of rotational symmetry.


What is the smallest angle of rotatinal symmetry?

None. You can rotate a circle by the smallest possible angle that you can think of and it will be an angle of symmetry. And then you can halve that angle of rotation and still have rotational symmetry. And you can halve that angle ...


What is a rotation of symmetry?

Sometimes called rotation symmetry, or symmetry of rotation. If you have an object that can be turned through a certain angle (like rotating a cube through 90o) and then it looks identical, then that object has a certain symmetry under rotation. If you can turn it through any angle, like a cylinder, then it has rotation (or rotational) symmetry.


Does a regular polygon have rotational symmetry?

Yes, because if a regular polygon is turned around a specific point (the angle of rotation) and matches up again, it has rotation symmetry. For example, a hexagon is a regular polygon with six sides. All sides are the same length and the same size. When you turn it around the angle of rotation, it matches with the next side. Therefore, all regular polygons have rotational symmetry. Hope this helps!


What is a rotational line of symmetry?

It is the axis of symmetry which is a line such that a object that is rotated at right angles to it becomes congruent to its original state before the angle of rotation reaches 360 degrees.


What is the smallest angle of Rotational symmetry for a square?

the line of symmetry from the middle


What is the rotation angle for triangle?

A triangle can be rotated through any angle of your choice!An equilateral triangle has rotational symmetry of order 3, which means that a rotation of 120 degrees (or multiples) will bring it back to the same orientation. All other triangles have rotational symmetry of order 1: that is, you have to rotate them a full circle (360 deg) before they look the same.


How many rotational symmetry does right angle have?

None.


What is the angle of rotational symmetry of the figure shown?

45