Ball-shaped 28481

How many m2 of material is needed to make a ball-shaped balloon with a volume of 950 m3?

Correct answer:

S =  467.3403 m2

Step-by-step explanation:

V=950 m3  V=34 π r3  r=34π3 V=34 3.14163 9506.0983 m  S=4π r2=4 3.1416 6.09832=467.3403 m2



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