Enlargement

1
Enlargement

• OCR Stage 6

2
Enlargement

• Transforms a shape using
• A Centre of Enlargement
• A Scale Factor
• Exam questions sometimes involve enlargements on
  an x,y grid

3
Draw a 3 times enlargement of this shape
This OBJECT was enlarged with a SCALE FACTOR of 3
2
6
2
1
6
DIAGONAL lines are best drawn LAST
3
A shape we change is called an OBJECT
The shape it becomes is called the IMAGE
4
USING A CENTRE OF ENLARGEMENT
Enlarge Triangle by scale factor 2 With Centre of
Enlargement (0,0)
Move one VERTEX at a time
x
5
After Scale factor 2 Enlargement, how many Times
will OBJECT fit inside its IMAGE?