# What letters of the alphabet have rotational symmetry?

## What letters of the alphabet have rotational symmetry?

Capital letters that have rotational symmetry are: Z, S, H, N and O.

Does a pentagon have 72 degree rotational symmetry?

A regular polygon has rotational symmetry by turning any multiple of the central angle. The central angle is 360 degrees divided by the number of sides. As an example: A pentagon has five sides, 360/5 =72. So a rotation of 72, 144, 216, 288, 360, 432, …

How many rotational symmetry does alphabet Z have?

English Alphabet Letter Line Symmetry Order of Rotational Symmetry
Z No 2
S No 2
H Yes 2
O Yes Infinite

### How do you find the degree of rotational symmetry?

To find the degree of rotation, you would divide 360 degrees by the order. Since 2 is the smallest order possible, then 180 is the largest degree of rotation possible.

How many order of rotational symmetry does letter I have?

2
Lines of symmetry in Alphabets

Alphabet letters Line symmetry Number of lines of symmetry
F No 0
G No 0
H Yes 2
I Yes 2

What letters have rotational symmetry but not line symmetry?

N and S have rotational symmetry, but they don’t have any line symmetry. An interesting letter is O because it looks almost, but not quite like a circle.

#### What rotational symmetries does a regular pentagon have?

Therefore the order of rotational symmetry of a regular pentagon is 5.

Is a pentagon rotational symmetry?

Order 5Pentagon / Rotational symmetry

Does O have rotational symmetry?

The alphabets Z, H, S, N and O have rotational symmetry.

## How many symmetry lines does N have?

Lines of symmetry in Alphabets

Alphabet letters Line symmetry Number of lines of symmetry
K Yes 1
L No 0
M Yes 1
N No 0

Does a triangle have rotational symmetry of 180?

An equilateral triangle has rotational symmetry order 3. A square has rotational symmetry of order 4. A regular pentagon has rotational symmetry of order 5….

Shape Order of Rotational Symmetry Angle of Rotational Symmetry
Equilateral Triangle 3 120°
Rectangle 2 180°
Square 4 90°
Parallelogram 2 180°

How do you know if a figure has rotational symmetry?

A shape has rotational symmetry when it can be rotated and it still looks the same. The order of rotational symmetry of a shape is the number of times it can be rotated around a full circle and still look the same.

### Which geometric figure has 72 degree rotational symmetry?

SOLUTION: which geometric figure has 72 degree rotational symmetry .. Rhombus.. Regular pentagon.. Equlateral triangle.. Square? Question 48301: which geometric figure has 72 degree rotational symmetry .. Rhombus.. Regular pentagon.. Equlateral triangle.. Square? You can put this solution on YOUR website!

What is the Order of rotational symmetry of the letters?

This triangle matches up 3 times and so, the order of rotational symmetry is 3. Capital letters of the alphabet with rotational symmetry are : H, I, N, O, S, X, Z. These letters all have rotational symmetry order 2 because they look the same after rotating half a turn and a full turn.

What is the angle of rotation for rotational symmetry?

Angle of Rotational Symmetry For a figure or object that has rotational symmetry, the angle of turning during rotation is called the angle of rotation. Example: when a square is rotated by 90 degrees, it appears the same after rotation. So, the angle of rotation for a square is 90 degrees.

#### What is the Order of rotational symmetry for a decagon?

Without drawing it, can you say what the Order of rotational symmetry is for a regular decagon, a 10-sided polygon? It is Order 10, meaning you can rotate the figure 36° and match it to the original. You can do that 10 times in making one complete rotation.