हिंदी में जवाब दो: Among the capital letters H, N, S, T and Z, which have (a) a vertical line of symmetry, and (b) rotational symmetry of order 2?
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Step-by-Step Solution
Step 1: Identify letters with a vertical line of symmetry
A vertical line of symmetry means that if you fold the letter along a vertical line, the two halves match perfectly. Among the given letters H, N, S, T, and Z, only H and T have this property.
Step 2: Identify letters with rotational symmetry of order 2
Rotational symmetry of order 2 means that the letter looks exactly the same after being rotated by 180 degrees (half a full turn). Among the given letters, H, N, S, and Z have this property. The letter T does not, as it would appear upside down.