Atree has a shadow that is 9 feet long otis is 4 feet tall and is standing next to the tree otis has a shadow that is 4.5 feet long how tall is the tree

8 feet.

Step-by-step explanation:

To solve this problem you must apply the proccedure shown below:

1. First, you can draw the diagram shown in the image attached.

3. Now, you must use proportions and solve for , which is the height of the tree:

4. As you can see, the height of the tree is 8 feet.

people went from manufacturing one object at a time by hand to manufacturing many objects in factories