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4 votes
Can you please help me out with a question

1 Answer

7 votes

s1=4\cdot\pi\cdot r1^2=\text{ 4}\cdot\pi\cdot2^2=16\cdot\pi
s2=4\cdot\pi\cdot r2^2=4\cdot\pi\cdot7^2=196\cdot\pi
(r1)/(r2)=(2)/(7)

User Kenton De Jong
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