Gibb's Hill Lighthouse

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College Algebra
Chapter 3

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Using the Pythagorean theorem the first statement was verified using 3960
miles as the earth's radius:
d^2+3960^2=(3960+(362/5280))^2
d^2=(3960+(362/5280))^2-(3960)^2
d=23.3
So the lighthouse cannot be seen from a distance of 26 miles.
 
View attachment 2490

Using the Pythagorean theorem the first statement was verified using 3960
miles as the earth's radius:
d^2+3960^2=(3960+(362/5280))^2
d^2=(3960+(362/5280))^2-(3960)^2
d=23.3
So the lighthouse cannot be seen from a distance of 26 miles.

You are an amazing mathematician. We both know Professor Leonard's extensive math educational background. Would you be so kind to share yours?

Here's mine:

1. B. A. Sociology; Minor Elementary Education
2. A. A. Liberal Arts & Sciences
3. A. A. Religious Education; Concentration Area: Eschatology.

Now you....
 

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