Find the angle of elevation of the sun when the shadow of a 10m long pole is 10 √ 3 m. Options: A . &nbsp30∘ B . &nbsp60∘ C . &nbsp45∘ D . &nbsp15∘

Answer: Option A : A Let, angle of elevation of sun = θ ⇒ Tan θ = P e r p e n d i c u l a r b a s e = 10 10 √ 3 ⇒ Tan θ = 1 √ 3 ⇒ θ = 30 ∘

Find the angle of elevation of the sun when the shadow of a 10m long pole is

Question

Find the angle of elevation of the sun when the shadow of a 10m long pole is 10

\sqrt{3}

Options:

A . 30∘

B . 60∘

C . 45∘

D . 15∘

Answer: Option A
:
A
Let, angle of elevation of sun =

θ

\Rightarrow

Tan

θ

\frac{P e r p e n d i c u l a r}{b a s e}

\frac{10}{10 \sqrt{3}}

\Rightarrow

Tan

θ

\frac{1}{\sqrt{3}}

\Rightarrow

θ

30^{\circ}

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