### Home > CCA2 > Chapter 7 > Lesson 7.1.3 > Problem7-38

7-38.

While trying to measure the height of a tree, Julie noticed that a $3.5$-foot post had a $4.25$-foot shadow. If the tree’s shadow is $100$ feet long, how tall is the tree?

Draw and label a picture.

The ratio between the height of the object and the length of the shadow will be the same for both the tree and the post.