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samyajones68
25.12.2019 •
Mathematics
If the ratio between the radii of the two spheres is 5: 8, what is the ratio of their volumes?
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Ответ:
The required ratio of the volumes of two spheres is 125 : 512.
Step-by-step explanation: Given that the ratio between the radii of the two spheres is 5 : 8.
We are to find the ratio of the volumes of the two spheres.
Let, 'r' and 'R' represents the radii of the two spheres, so
r : R = 5 : 8.
The volume of a sphere with radius 'r' units is given by the formula:
Let, V and V' be the volumes of the spheres with radius r and R units respectively.
Then, the ratio of the volumes of the two spheres will be
Thus, the required ratio of the volumes of two spheres is 125 : 512.
Ответ: