Question

4: A pole 6 m high casts a shadow 2√ 3 m long on the ground, then the Sun’s elevation is

(A) 60° (B) 45° (C) 30° (D) 90°​

Answer 1

⠀⠀ıllıllı uoᴉʇnloS ıllıllı

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Let BC be the pole and AB be its shadow.

• Figure provided in the above attachment.

In triangle ABC,

tan θ = BC/AB

= 6/2√ 3

= 3/√ 3

= (√ 3 × √ 3 )/ √ 3

= √ 3

tan θ = tan 60°

θ = 60°

• Hence, the Sun’s elevation is 60°.

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