Mathematics 4024 · O Level · Symmetry

Symmetry — practice question

(a)[1]

Add one further small triangle to the shape below so that the pattern has one line of symmetry.

(b)[1]

Add two more small triangles to the shape below so that the pattern has rotational symmetry of order $2$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct shaded triangular face is shown.” …