Question

23. Length of the shadow of a 15 m long pole
is 5 3 m. Find the angle of elevation of
the sun​

Answer 1

Answer:

Length of pole is XY=15 m

Shadow of pole is =YZ=5

3

angle of elevation of sun with ground is ϕ as shown in figure.

Here in a right angled triangle,

tan(90

∘

−ϕ)=

XY

YZ

=

15

5

3

=

3

1

⇒tan(90

∘

−ϕ)=

3

1

⇒90

∘

−ϕ=60

∘

⇒ϕ=30

∘

Elevation is 30

∘

Step-by-step explanation:

hope it will help u