Mathematics 0580 · IGCSE · Symmetry

Symmetry — practice question

In part (a), a $4 \times 4$ array of small squares is shown, with some of them shaded. In part (b), a square is split by a diagonal into four triangular areas, with some of those shaded.
(a)[1]

Add shading to two further small squares so that the pattern has exactly one line of symmetry.

(b)[2]

Finish the statement about this pattern. The pattern has [\,] lines of symmetry and order of rotational symmetry [\,].

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Accurate shaded and dotted arrangement

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