Enrhifo
\frac{\sqrt{157}}{78125}\approx 0.000160384
Rhannu
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\sqrt{\frac{6.28}{5^{12}}}
Lluosi 3.14 a 2 i gael 6.28.
\sqrt{\frac{6.28}{244140625}}
Cyfrifo 5 i bŵer 12 a chael 244140625.
\sqrt{\frac{628}{24414062500}}
Ehangu \frac{6.28}{244140625} drwy luosi'r rhifiadur a'r enwadur gyda 100.
\sqrt{\frac{157}{6103515625}}
Lleihau'r ffracsiwn \frac{628}{24414062500} i'r graddau lleiaf posib drwy dynnu a chanslo allan 4.
\frac{\sqrt{157}}{\sqrt{6103515625}}
Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{157}{6103515625}} fel rhaniad ail israddau \frac{\sqrt{157}}{\sqrt{6103515625}}.
\frac{\sqrt{157}}{78125}
Cyfrifo ail isradd 6103515625 a chael 78125.
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