# Ex.14.1 Q8 Symmetry - NCERT Maths Class 7

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## Question

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.

(a) vertical mirror

(b) a horizontal mirror

(c) both horizontal and vertical mirrors.

Video Solution

Symmetry

Ex 14.1 | Question 8

## Text Solution

**What is known:**

English alphabets.

**What is unknown?**

Letters of the English alphabet that have reflectional symmetry

**Reasoning:**

In this question you have to find out letters of the English alphabet have reflectional symmetry. In reflectional symmetry one half is the reflection of the other half. That is, a figure which does not change upon undergoing a reflection has reflectional symmetry. Remember this concept and find out the letters of English alphabets with reflectional symmetry.

**Steps:**

(a) A,H,I,M,O,T,U,V,W,X,Y

(b) B,C,D,E,H,I,O,X

(c) O,X,I,H