Datrys sqrt{(16/2)^2+(3/2)^2}=

$$\sqrt { ( \frac { 16 } { 2 } ) ^ { 2 } + ( \frac { 3 } { 2 } ) ^ { 2 } } =$$

Enrhifo

$$\frac{\sqrt{265}}{2}\approx 8.139410298$$

Camau Ateb

Rhannu 16 â 2 i gael 8.

$$\sqrt{8^{2}+\left(\frac{3}{2}\right)^{2}}$$

Cyfrifo 8 i bŵer 2 a chael 64.

$$\sqrt{64+\left(\frac{3}{2}\right)^{2}}$$

Cyfrifo \frac{3}{2} i bŵer 2 a chael \frac{9}{4}.

$$\sqrt{64+\frac{9}{4}}$$

Adio 64 a \frac{9}{4} i gael \frac{265}{4}.

$$\sqrt{\frac{265}{4}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{265}{4}} fel rhaniad ail israddau \frac{\sqrt{265}}{\sqrt{4}}.

$$\frac{\sqrt{265}}{\sqrt{4}}$$

Cyfrifo ail isradd 4 a chael 2.

$$\frac{\sqrt{265}}{2}$$