Sphere volume formula

If V=4/3 π r3, find the value of V when r = 7, the value of r when V=113 1/7

Correct answer:

V1 =  1436.755
r2 =  3

Step-by-step explanation:

r1=7  V1=34 π r13=34 3.1416 73=1436.755
V2=11371=113+71=7113 7+1=7791+1=7792=11371113.1429  r2=[34π3 V2]=[34 3.14163 113.1429]=3

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what is the shape that you can add on here

i am having trouble with geometry

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