SOLUTION: If a vertical pole 30 ft tall cast a shadow 8 feet long, how long would the shadow of a 40 ft pole be at the same time and place?

Algebra ->  Trigonometry-basics -> SOLUTION: If a vertical pole 30 ft tall cast a shadow 8 feet long, how long would the shadow of a 40 ft pole be at the same time and place?      Log On


   



Question 399481: If a vertical pole 30 ft tall cast a shadow
8 feet long, how long would the shadow of a 40 ft pole
be at the same time and place?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Let x represent the length of the shadow of a 40 ft pole
Question Sets Up the Proportion
30%2F8+=+40%2Fx |cross multiplying to solve for x
30x = 8*40
x = 8*40/30
x = 10 2/3 ft, length of the shadow of a 40 ft pole