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1155 Measuring thumb thumb thumb thumb thumb
REACHING THE HORIZON
The distance to the horizon, in miles, is the square root of half again your height, in feet. If you're 6 feet tall, you can see 3 miles. From 600 feet, you can see 30 miles (sq. rt. of 900). Conversely, you can see a 150-foot building from 15 miles away (sq. rt. of 225).

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Dani Zweig, Pittsburg, Pennsylvania
(LR) Legacy Rule of Thumb from previously published collections
Current Rating: 4.6 out of 10 based on 15 reviews
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