4. Determine the height of a tree

The height of a man and his shadow form a triangle similar to that formed by a nearby tree and its shadow. What is the height of the tree? From the picture, $AC =$ 30 $feet$, $AE =$ 97 $feet$, $BC =$ 8 $feet$ and $DE=$ $h$ $feet$.

 

 

The height of the tree is  $feet$.

 

(Note: Insert the answer as a whole number).