SOLUTION: A 1m high stake casts a shadow 9m long. Find the height of a tree, in m, that casts a shadow 31.5m long (at the same time and place).

Algebra ->  Length-and-distance -> SOLUTION: A 1m high stake casts a shadow 9m long. Find the height of a tree, in m, that casts a shadow 31.5m long (at the same time and place).      Log On


   

Question 1149591: A 1m high stake casts a shadow 9m long. Find the height of a tree, in m, that casts a shadow 31.5m long (at the same time and place).
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Proportion
Two similar right triangles