Question

A pole that is 3.4 m tall cast a shadow that 1.73 m long. At the same time , a nearby tower cast a shadow that is 48.25 m long. How tall is the tower?

I can't seem to figure out what to do

Answer 1

Use a proportion.

http://www.mathsisfun.com/algebra/proportions.html

Answer 2

3.4/1.73 x/48.25

0.40

Answer 3

height/shadow = 3.4/1.73 = h/48.25

so
h = (3.4/1.73)48.25
which is 3.4 * 48.25/1.73
or
94.8

Draw a picture !!!!