Question

question 18 which letter has only rotational symmetry? a t b q s

Explanation:

Step1: Check 'T' for symmetry

The letter 'T' has line - symmetry but no rotational symmetry.

Step2: Check 'O' for symmetry

The letter 'O' has both rotational and line - symmetry.

Step3: Check 'S' for symmetry

The letter 'S' has rotational symmetry (order 2) and no line - symmetry.

Step4: Check 'A' for symmetry

The letter 'A' has line - symmetry but no rotational symmetry.

Answer:

S