The ratio of the radii of two distinct spheres is 3: 4. what is the ratio of their respective surface areas?

Hey , here is the answer to ur question!
Given: Radii is in the ratio 3:4
To find : ratio of Surface area of the two distinct spheres
Solution: Surface area of a sphere =4* pi *r^2
=>(3/4)^2=9/16
Therefore , the ratio of the areas of teh two distinct spheres=9:16
Hope this helps u

d is correct

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