Question

volume and surface area of a solid hemisphere are numerically equal. what is the diameter of hemisphere

Answer 1

volume of hemisphere=surface area of hemisphere
2/3 pie r³=3 pie r²
⇒2/3 r   =3 
⇒ r        =9/2
 so, diameter = 2 radius
      diameter=2*9/2
      diameter=9

Answer 2

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Answer:

9units

Step-by-step explanation in the attachment given ☺️

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