Datrys 10000-2pi(25)^2=2pi(25)n

$$10000 - 2 \pi ( 25 ) ^ { 2 } = 2 \pi ( 25 ) n$$

Datrys ar gyfer n

$$n=\frac{200}{\pi }-25\approx 38.661977237$$

Camau ar gyfer Datrys Hafaliad Llinol

Cyfrifo 25 i bŵer 2 a chael 625.

$$10000-2\pi \times 625=2\pi \times 25n$$

Lluosi 2 a 625 i gael 1250.

$$10000-1250\pi =2\pi \times 25n$$

Lluosi 2 a 25 i gael 50.

$$10000-1250\pi =50\pi n$$

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

$$50\pi n=10000-1250\pi$$

Rhannu’r ddwy ochr â 50\pi .

$$\frac{50\pi n}{50\pi }=\frac{10000-1250\pi }{50\pi }$$

Mae rhannu â 50\pi yn dad-wneud lluosi â 50\pi .

$$n=\frac{10000-1250\pi }{50\pi }$$

Rhannwch 10000-1250\pi â 50\pi .

$$n=\frac{200}{\pi }-25$$