Question

A tree has a shadow that is 9 feet long. Otis is 4 feet tall, and he is standing next to the tree. Otis has a shadow that is 4.5 feet long.

Answer 1

8 ft

Explanation:

We can use ratios to solve

tree Otis

-------------------- = --------------

tree shadow Otis shadow

tree 4 ft

-------------- = ----------------

9 ft 4.5 ft

Using cross products

4.5 tree = 4* 9

4.5 tree = 36

Divide each side by 4.5

tree = 36/4.5

tree =8