#include "llrect.h" LLRect myRect(10, 20, 30, 40); // create rectangle object with top left corner at (10,20), width 30, and height 40 float height = myRect.getHeight(); // retrieve height of rectangleIn this example, `myRect` is an LLRect object representing a rectangular region with a top left corner at (10, 20) and a width of 30 pixels and a height of 40 pixels. The `getHeight()` method is called on `myRect` to retrieve its height, which is stored in the variable `height`. The LLRect class is part of the Second Life Viewer API and can be found in the `llmath` library, which is included with the viewer.