मराठी

Statement (1): At a particular time, the length of the shadow of a 50 m tower is 50sqrt3 m. Statement (2): The sun’s altitude is 30°.

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प्रश्न

Statement (1): At a particular time, the length of the shadow of a 50 m tower is `50sqrt3` m.

Statement (2): The sun’s altitude is 30°.

पर्याय

  • Both the statements are true.

  • Both the statements are false.

  • Statement 1 is true, and statement 2 is false.

  • Statement 1 is false, and statement 2 is true.

MCQ
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उत्तर

Both the statements are true.

Explanation:

Using the tangent ratio for a tower of height 50 m and sun's altitude (angle of elevation) of 30°:

\[\text{Shadow length} = \frac{50}{\tan 30^\circ} = 50\sqrt{3}\text{ m}\]

Thus, both Statement 1 and Statement 2 are true, and Statement 2 correctly explains Statement 1.

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सेलिना Concise Mathematics [English] Class 9 ICSE
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TEST YOURSELF | Q 1. (e) | पृष्ठ ३४२
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