![calculus - How fast is the length of his shadow on the building decreasing when he is 4 m from the building - Mathematics Stack Exchange calculus - How fast is the length of his shadow on the building decreasing when he is 4 m from the building - Mathematics Stack Exchange](https://i.stack.imgur.com/PFCDG.png)
calculus - How fast is the length of his shadow on the building decreasing when he is 4 m from the building - Mathematics Stack Exchange
![geometry - Find the height of a bar, given the lengths of shadows cast by it and another bar - Mathematics Stack Exchange geometry - Find the height of a bar, given the lengths of shadows cast by it and another bar - Mathematics Stack Exchange](https://i.stack.imgur.com/qLf9ll.jpg)
geometry - Find the height of a bar, given the lengths of shadows cast by it and another bar - Mathematics Stack Exchange
![SOLVED: The shadow method uses the lengths of shadows and knowledge of the angle of the sun at the time and place the image was taken. With this information, the height of SOLVED: The shadow method uses the lengths of shadows and knowledge of the angle of the sun at the time and place the image was taken. With this information, the height of](https://cdn.numerade.com/ask_images/9708baf78f864fa3b547d8a2a2cf1b12.jpg)