The ratio of the surface
areas of 2 spheres is 16:81.
What is the ratio of their
volumes?
1:1
2:3
4:9
64:729
Share
The ratio of the surface
areas of 2 spheres is 16:81.
What is the ratio of their
volumes?
1:1
2:3
4:9
64:729
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Step-by-step explanation:
S.A. of sphere = 4πr^2
Ratio of S.A. of 2 sphere are 16:81
there, ratio of radius
4πr^2/4πr^2= 16/81
r/r=4:9
there vol. in ratio
4/3πr^3=4/3πr^3 = 64:729