Whakaoti mō A
A=39.37815
Tautapa A
A≔39.37815
Tohaina
Kua tāruatia ki te papatopenga
A=2100\times 0.4167\times 0.045
Whakareatia te 7 ki te 300, ka 2100.
A=875.07\times 0.045
Whakareatia te 2100 ki te 0.4167, ka 875.07.
A=39.37815
Whakareatia te 875.07 ki te 0.045, ka 39.37815.
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