Whakaoti mō s
s=\frac{56\pi }{225}\approx 0.781907505
Tautapa s
s≔\frac{56\pi }{225}
Tohaina
Kua tāruatia ki te papatopenga
s=\frac{14}{5}\times \frac{4}{45}\pi
Me tahuri ki tau ā-ira 2.8 ki te hautau \frac{28}{10}. Whakahekea te hautanga \frac{28}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
s=\frac{14\times 4}{5\times 45}\pi
Me whakarea te \frac{14}{5} ki te \frac{4}{45} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.
s=\frac{56}{225}\pi
Mahia ngā whakarea i roto i te hautanga \frac{14\times 4}{5\times 45}.
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