Subject Experts Solutions for Chapter: Symmetry, Exercise 2: Let Us Try 15.1

The number of lines of symmetry in a protractor is:

The number of lines of symmetry in a regular polygon with $n$ sides is _____.

The number of lines of symmetry in a rectangle is_____. Write the answer in numeral.

Digits having only two lines of symmetry are _____ and______.

The digit between $0$ and $9$ having only one line of symmetry is_____.

Identify the letter(s) of the word $\mathrm{ALGEBRA}$ which has/have a line/lines of symmetry.

Identify the letter(s) of the word '$\mathrm{MATHEMATICS}$’ which has/have no line of symmetry.

Write the number of lines of symmetry for each letter of the word ‘$\mathrm{SYMMETRY}$’.