Atree casts a 25 foot shadow. at the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. what is the approximate

Set it up like this: height/shadow=heigh/shadow. Therefore, the equation will be 6/9=x/25, where x is the height of the tree. By solving for x, you should get your answer (which should be about 16.67 feet).