A tree cast a shadow of 36 feet long at the same time the shadow cast by a vertical 9 foot pole is 6 feet long find the height of the tree

Question

I dont have to show any work......

Answer 1

t/36=9/6

6*6=36

6*9=54 feet

you can also cross multiply

6t=9*36

6t=324

t=324/6

t=54 feet