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If the volume of a sphere is numerically equal to its surface area, then radius of the

sphere is
(A) 1 unit (B) 3 units (C) 2 units (D) 6 units

1 unit

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Surface area  =  Volume

=>   4 pi r2 =  4/3    pi r3

r/3 = 1

=>  r = 3 units

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This is your answer:

 

  • 42
the answer is (B) 3 units
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3 units
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3 units
 
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b-3 units
 
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the answer is 3 as when we put the formula u can see many commmon and u cut the common ones and u get ur solution cheer m8
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First equate 4/3pi r cube by 4pi r square such that r/3=1,hence r=3
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Hi

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6 units
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Related answer

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Sphere =volume 4πr2=4/3πr2 r/3=1 r=3 So radius is 3
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Hope this helps

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