(a) Rotate triangle A \(90^\circ\) anticlockwise with centre \(O\).(2)
(b) Describe fully the single transformation that maps triangle B onto triangle C.(2)
Mark scheme (a)
Answer
Mark
Notes
Triangle with vertices at (–3, 3), (–3, 4) and (–1, 4)
2
B2 for a triangle with vertices at (–3, 3), (–3, 4), (–1, 4) (B1 for triangle in correct orientation and size or rotated \(90^\circ\) clockwise about centre \(O\) or three correct vertices without joining)
Mark scheme (b)
Answer
Mark
Notes
Reflection in line \(y = x\)
2
B1 for reflection B1 for (in the line) \(y = x\) Note: award no marks if more than one transformation is given
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