Corner area calculation formula
\(S=(1- \frac {π}{4} )r^2\)
\(S=0.2146r^2\)
\(S=0.1073c^2\)
r——radius
C——chord length
S——area
Input data:
R-radius: 5
C-chord length: 7
Click "Calculate" to output data
Corner area: 5.365
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