A hemispherical bowl is completely filled when 9 cups of water is poured in it if the cup a circular whose touches twice the its radius find the ratio of the radius the bowl of to the ratio of the cup
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Step-by-step explanation:
radius of the hemispherical bowl = R
radius of the cup = r
height of the cup = 2r
volume of the bowl = 9 × volume of cup
⅔ pi R³ = 9×pi×r²h
⅔piR³=9×pi×r²×2r
R³=9×r²×2r×3/2
R³=r³×27
1:7
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