ddt
Mafia Penguin
There is a previous thread about exactly this article.
There is a previous thread about exactly this article.
Assuming a 100m wide building and an earth radius of curvature of 6350km, I calculate that the angle between the opposing walls (if plumbed) would be about 20 seconds of arc.
I doubt that this could be measured with any standard building tool.
Which must be why the mods merged it
I really think part of why kids find algebra confusing is that society keeps telling them it's confusing. I mean, *phonics* is confusing, shouldn't it be pronounced p-honics?
ETA: I notice you are in the Netherlands; does it have the same issue?
No, the Netherlands has no issue with "phonics". They spell it with an "f". pfonics.
I meant in math education.
I think this may have been a pfoney misunderstanding ...