Enlarge shape H with scale factor 2 and the centre of enlargement at point B. [2]
Mark scheme (a)
Answer
Marks
Part marks and guidance
Correct ruled rotation
2
B1 for correct rotation but lines unruled or Ruled but one vertex just outside tolerance or rotation of 180° about another point and ruled and with vertices in tolerance
Use overlay as a guide. Set screen to zoom 57%. Vertices to be within overlay circles
Mark scheme (b)
Answer
Marks
Part marks and guidance
Correct ruled enlargement
2
B1 for correct unruled enlargement or ruled enlargement with one vertex just outside tolerance enlargement sf 2 but from different point
Use overlay as a guide. Set screen to zoom 57%. Vertices to be within overlay circles for all marks For B1, enlargement must fit on grid
