This is inspired by an interesting observation made by someone regarding Area Problem #24

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This is inspired by an interesting observation made by someone regarding Area Problem #24

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‘Cos it’s a rhombus with curved sides !

Yes, there are better ways of putting it.

(root3-1)rsquared

Add the inscribed hexagon to the bottom circle. Swap the curved green pieces on the outside of the hexagon into the missing curved spaces on the inside. This shape is equivalent to 1/3 of the hexagon and thus doesn’t have pi in its formula.