Calling all mathematicians! Can you answer this question?

You are not allowed a calculator and have between 6-8 minutes to answer it

This page is a permanent link to the reply below and its nested replies. See all post replies »

Neat. Fun diversion.

Odd to give a specific radius, yet ask for an answer in terms of π...very odd.

InOtterWords · F

@SomeMichGuy actually when you see my workings it will make sense

@InOtterWords Ok. 😊👍 I did it for a general '[i]r[/i]', but that's typical.