Where do square numbers grow?
From their square roots.
A4 portrait. It is drawn in vector form, so it also prints sharply scaled up to A3.
The poster

Get it?
Get it? The square root of 49 is 7 because 7² = 49.
More like this: all our maths jokes.
From their square roots.
A4 portrait. It is drawn in vector form, so it also prints sharply scaled up to A3.

Get it? The square root of 49 is 7 because 7² = 49.
More like this: all our maths jokes.