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| 1. |
If in a sphere,volume and surface area are numerically equal,what will be the radius? |
| Answer» Step-by-step explanation:Volume= surface area4*22*r*r*r/7*3=4*22*r*r/7(4/3*4)r³=r² (after pie cancelled)(1/3)r³ = r²r³= 3r²(r/r)(3-2)=3r = 3Thus,\xa0when volume and surface area is equal then the radius will be 3 units | |