### Turning the Place Over

As part of Liverpool08 European Capital of Culture there were a huge number of events and displays. One of the art installations was called "Turning the Place Over". Can you find our how it works?

### Moving Squares

How can you represent the curvature of a cylinder on a flat piece of paper?

### Where Art and Maths Combine

In this article, Rachel Melrose describes what happens when she mixed mathematics with art.

# It Depends on Your Point of View!

##### Stage: 4 Challenge Level:

Imagine your eye is at the top of the blue line at a height of $h$. You want the image to appear to be standing straight up where the red line is, a distance $d$ horizontally from your eye.
For the yellow point to appear a height $x$ above the ground, it needs to be drawn a distance $y$ along the ground from the base of the red line.

If you knew $h$, $d$ and $x$, how could you work out $y$?