मराठी

If a pole 6 m high casts a shadow 2sqrt(3) m long on the ground, then the Sun's elevation is ______.

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प्रश्न

If a pole 6 m high casts a shadow `2sqrt(3)` m long on the ground, then the Sun's elevation is ______.

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उत्तर

If a pole 6 m high casts a shadow `2sqrt(3)` m long on the ground, then the Sun's elevation is 60°.

Explanation:

Let θ be the Sun's elevation.

Then `tan θ = "height"/"shadow length"` 

= `6/(2sqrt(3))` 

= `3/sqrt(3)`

= `sqrt(3)`

So θ = `arctan(sqrt(3))` = 60°.

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पाठ 12: Heights and Distances - FILL IN THE BLANK TYPE QUESTIONS (FBQs) [पृष्ठ १२.२६]

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आर.डी. शर्मा Mathematics [English] Class 10
पाठ 12 Heights and Distances
FILL IN THE BLANK TYPE QUESTIONS (FBQs) | Q 1. | पृष्ठ १२.२६
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