s1=2*π*R/4=π*R/2
s2=√(R²+R²)=R*√2
s1/s2=π/(2*√2)=3.14/2.82=1.113
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Verified answer
s1=2*π*R/4=π*R/2
s2=√(R²+R²)=R*√2
s1/s2=π/(2*√2)=3.14/2.82=1.113
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