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**headhurts****Member**- Registered: 2014-05-04
- Posts: 8

Question: Confirm whether the leaning tower of pisa is leaning, and if the lean is changing (between any two random days). Only tools given: Ability to measure vertical angles and fixed length rod (say 2m). Supposed to use basic geometry and trig. Made my head hurt for real trying to figure that out.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,706

hi headhurts,

headhurts wrote:

Ability to measure vertical angles

Do you mean with something like this:

http://www.instructables.com/id/Using-a … re-height/

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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