## anonymous 5 years ago find height of a tree that makes a 40'shadow when5'3" in pole is used to make a shadow of 3'

1. anonymous

x= shadow(s) y=height y1/x1=y/x y/40 = 5'3''/3' y=40' * 5'3''/3' calculate

2. anonymous

$\frac{63}{36}=\frac{h}{480}$ $h=\frac{63\times 480}{36}=840$ 840 inch = 70 ft

3. anonymous

easiest i think to work in inches and then convert back.