Question

If a tree 13m long casts a 7m shadow how long is a shadow cast by a 2m person

Answer 1

Tree Height / Man Height = Tree Shadow / Man Shadow
13 / 2 = 7 / Man Shadow
Man Shadow = ?

Answer 2

So do i cross multiply or what?

Answer 3

\[\frac{13}{7}=\frac{2}{x}\]\[13x=14 \]\[x=\frac{14}{13} \]

Answer 4

Tree Height / Man Height = Tree Shadow / Man Shadow
13 / 2 = 7 / Man Shadow
Man Shadow = ?

Man Shadow = 7 / 6.5 = ?

Answer 5

@dauspex

Yes.
Method 1: Tree Height / Man Height = Tree Shadow / Man Shadow
Method 2: Tree Height / Tree Shadow = Man Height / Man Shadow