Re: How to Make Cisterns

On Sat, 3 May 2025 11:07:57 +0100, Richard Heathfield wrote:

.....I cheated, and after this spoiler I offer an answer to the nearest
micron.

In your last couple of entries, approaching an answer, the side changes by
30% and the volume changes by very little (less than 0.001%). I think
something as gone off track somewhere.

If you can recall high-school calculus, then the answer falls out as a
simple fraction.

"Easily" was my immediate reaction... but then I thought about it, and
decided that it... well, that it's a far better question than it looks.

My initial reaction was "no", but then I began to have doubts. I'll give
it a go.


--
David Entwistle