Enlargement and area
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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?
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