Enlargement and area
This task is about enlarging a shape on a grid and exploring the relationship between scale factor and area.
a)  What is the area of the triangle ABC? _________ square units 
b) 
Using P as the centre of enlargement, enlarge the triangle ABC by a scale factor of 3. Label the enlarged triangle A', B', and C' respectively. 
c) 
What is the area of the triangle A'B'C'? _________ square units 
d) 
If the triangle ABC is enlarged by a scale factor of 4, how could you find the area of the enlarged triangle without drawing it?
