Given data:
The given scale is 2 cm= 6 ft.
The given height of the tree is h= 7.8 cm.
The given scale can be written as,
[tex]\begin{gathered} 2\operatorname{cm}=\text{ 6 ft} \\ 1\text{ cm= 3ft} \end{gathered}[/tex]
The actual height of the tree is,
[tex]\begin{gathered} H=7.8\times\text{3 ft} \\ =23.4\text{ ft} \end{gathered}[/tex]
Thus, the actual height of the tree is 23.4 ft.
