Question

(i) How many of the given alphabets have rotational symmetry:
Z, H, E, N, C

(ii) Give the order of the rotational symmetry of each figure.

[3 MARKS]

Answer 1

(i) Correct answer: 1 Mark
(ii) Correct answer: 2 Marks

(i) Z, H, N have rotational symmetry.
If the given alphabets are rotated about a line passing through their centres, it resembles the same alphabet.

(ii)
(a)

Original Figure	Rotational figures	Order of rotational symmetry
		2

(b)

Original Figure	Rotational figure	Order of rotational symmetry
		2