100 sats \ 0 replies \ @Murch 26 Sep \ on: [Daily puzzle] Fraction of area tinted yellow? charts_and_numbers
Area of circle: πr^2 Under assumption that circles are split into thirds: Outside band has area of biggest circle minus second biggest circle. Then divide by three.
3A = π(3r)^2 - π(2r^2) = (9π-4π)r^2 = 5πr^2
A = (5πr^2)/3
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