Odd observation. Yes, the surface area of a sphere is \( 4\pi R^2 \). But if the area is A and the circumference is C, then:
\( \pi A = C^2 \).
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
Use \( and \) for inline LaTeX, and \[ and \] for display mode.