Content description

Apply the enlargement transformation to familiar two-dimensional shapes and explore the properties of the resulting image compared with the original (ACMMG115)

Source: Australian Curriculum, Assessment and Reporting Authority (ACARA)

Enlarging drawings

To enlarge a drawing, we can draw a grid over it and then copy the drawing onto an enlarged grid.

Let's start with a small drawing of a flower, such as the one shown below on the left. We draw a grid over it. Then we draw a second grid with larger cells than the first grid. The example on the right uses cells three times the height and three times the width of the smaller grid. By copying the contents of each cell into the corresponding cell in the larger grid, we enlarge the drawing of the flower.

Detailed description

Here is a step-by-step animation on how to do this.

This animation will play automatically.

Detailed description