Find the ratio of the volume to total surface area of a sphere of radi

1.	Find the ratio of the volume to total surface area of a sphere of radius √7 cm .(1) \(\frac{\sqrt{7}}{3}\)(2) \(\frac{7}{3}\)(3) \(\frac{7\sqrt{7}}{3}\)(4) \(\frac{\sqrt{7}}{\sqrt{3}}\)
Answer» Correct option is (1) \(\frac{\sqrt{7}}{3}\) \(\cfrac{\frac{4}{3}\pi{r}^3}{4\pi{r}^2}=\frac{\sqrt{7}}{3}\)

Find the ratio of the volume to total surface area of a sphere of radius √7 cm .(1) \(\frac{\sqrt{7}}{3}\)(2) \(\frac{7}{3}\)(3) \(\frac{7\sqrt{7}}{3}\)(4) \(\frac{\sqrt{7}}{\sqrt{3}}\)

Answer»

Correct option is (1) \(\frac{\sqrt{7}}{3}\)

\(\cfrac{\frac{4}{3}\pi{r}^3}{4\pi{r}^2}=\frac{\sqrt{7}}{3}\)

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Find the ratio of the volume to total surface area of a sphere of radius √7 cm .(1) \(\frac{\sqrt{7}}{3}\)(2) \(\frac{7}{3}\)(3) \(\frac{7\sqrt{7}}{3}\)(4) \(\frac{\sqrt{7}}{\sqrt{3}}\)

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