(Worth 15 PTS) Explain how you could use your own height and the lengths of shadows to figure out the height of a tall building without measuring it. It may help to create a example for more detail. (But just an example will not earn credit. You must ALSO have the explanation!)
You could find the different between the your shadow and your height and use the statistics you found and apply them to the shadow of the building. Standing closer to the building would get best results because of how the sun shines on it making the shadow as long as it is.