1. In the following diagrams, use the squares to calculate the scale factor for the enlargements that change the object shape P to its image shape Q.


The diagram shows an enlargement of triangle ABC.

a. What is the centre of the enlargement?

b. What is the scale factor for the enlargement?

c. Which point is the image of point B?

d. If the area of triangle ABC is 3 square units, what is the area of triangle FGH?


Copy the diagram and enlarge the triangle ABC with centre O and a scale factor 2.

Label the image A'B'C'.