Enrhifo
20\sqrt{2}m
Gwahaniaethu w.r.t. m
20 \sqrt{2} = 28.284271247
Rhannu
Copïo i clipfwrdd
\sqrt{20}m\sqrt{20}\sqrt{2}
Ffactora 40=20\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{20\times 2} fel lluoswm ail israddau \sqrt{20}\sqrt{2}.
20m\sqrt{2}
Lluosi \sqrt{20} a \sqrt{20} i gael 20.
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