Step-by-step explanation:
The height of the tree is
16.78
(
2
d
p
)
feet.
Explanation:
Let
x
be the height of the tree. The length of shadow of tree is
l
=
20
feet and elevation of sun is
θ
=
40
0
.
Then,
tan
θ
=
x
l
or
tan
40
=
x
20
or
x
=
20
tan
40
=
16.78
(
2
d
p
)
feet.
The height of the tree is
16.78
(
2
d
p
)
feet.[Ans]