Hint to Riddle #67: How Far is the Horizon

67. How far is the Horizon?
Diagram for calculating the distance of the horizon There are other methods, but I think if you look at the diagram and apply Pythagoras Theorem it shouldn't be too hard.

Based on RE = 6,371,000m for someone of about 6ft you should get s little under 5km

Where next?
Questions Answer

© Nigel Coldwell 2004 -  – The questions on this site may be reproduced without further permission, I do not claim copyright over them. The answers are mine and may not be reproduced without my expressed prior consent. Please enquire using the link at the top of the page.

I always think it's arrogant to add a donate button, but it has been requested. If I help you get a job though, you could buy me a pint! - nigel

This Website Uses Cookies

To increase the functionality of the site. The cookies I apply do not uniquely identify you, by continuing to use this site you agree to let me place a cookie. I also have advert and analytics providers, my advertising provider (Google,) does provide personalised adverts unless you specify otherwise, with them. For more information click here.x