Respuesta :
ratio and proprtion
actualheight:rhadow=6:3=2:1
real height is 2 times shadow
if tree shadow is 15, then real height is 2 times of that, or 15*2=30
ratio and proprtiona way
6/3=x/15
90/3=x
30=x
height is 30ft
actualheight:rhadow=6:3=2:1
real height is 2 times shadow
if tree shadow is 15, then real height is 2 times of that, or 15*2=30
ratio and proprtiona way
6/3=x/15
90/3=x
30=x
height is 30ft