Gibb's Hill Lighthouse

College Algebra
Chapter 3

 

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....

 

1. B. A. Mathematics and Physics -back in my country
1. B. A. Mathematics - here in the US

 

Wow! Two B.A. degrees in Mathematics. Impressive.