the surface area of two sphere are in tha ratio 16 : 9 find the ratio of their volume
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Suppose radii of the two spheres arer1andr2 respectively
∴ Surface areas of the two spheres are 4πr12 and 4πr22 respectively
According to question
4πr22=9:16⇒r12:r22=9:16
r22r12=169⇒(r2r1)2=(43)2
⇒r1:r2=3:4⇒(r2r1)3=(43)3
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