Respuesta :

35 feet.

[tex]\frac{mailbox height}{mailbox shadow}[/tex]  

=

[tex]\frac{pinetree height}{pinetree shadow}[/tex]

[tex]\frac{3}{4.8} = \frac{h}{56}[/tex]

1.8h = 3 x 56

4.8h = 168

h = 35 feet.

Answer:

35 FT IS THE ANSWER

I HOPE IT WILL HEPL YOU