$\"\"$

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Observe the figure : $\"\"$ and $\"\"$

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For a right angle triangle :

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Let $\"\"$ and $\"\"$ .

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Consider the trigonometric functions $\"\"$ and $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Therefore, $\"\"$ ft.

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$\"\"$

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Find height of the eiffel tower.

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Height is the opposite side of the right angle triangle.

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So, $\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Height of the eiffel tower is $\"\"$ .

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$\"\"$

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Height of the eiffel tower is $\"\"$ .