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dlinn [17]
3 years ago
8

John is looking up at the top of the Empire State Building from 1 mi. away and measures the angle of elevation to be 11 degrees.

Use this information to find the approximate height of the Empire State Building to the nearest foot.

Mathematics
2 answers:
torisob [31]3 years ago
8 0

Refer to the attached image.

Let the height of the Empire State Building = BC = 'x'

John is standing at distance from Empire State Building = AB = 1 mile

The angle of elevation = 11°

In triangle ABC,

Consider \tan 11^{\circ}= \frac{Perpendicular}{Base}

\tan 11^{\circ}= \frac{BC}{AB}

\tan 11^{\circ}= \frac{x}{1}

0.194= \frac{x}{1}

x = 0.194 mile

Since 1 mile =5280 feet

So, x = 0.194 \times 5280

= 1024.32 feet.

So, the height of the Empire State Building is 1024.32 feet.

wariber [46]3 years ago
5 0
1250 feet hoped i helped

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