Question: A tree casts a shadow that is 34 feet long, and the angle of inclination from the top of the shadow to the top of the tree is 39". How tall is the tree? The tree, the shadow, and the dotted line in the image form a right triangle, which means we can use a trigonometric function to help use gure out the height of the tree. tan39 v : [Select] v f [ Select] v The length of the shadow is 34 feet, so we plug that length into our formula and then solve for the height of the tree. The height of the tree is l SEIECH "' feet