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? asked in Science & MathematicsMathematics · 5 months ago

What is the height? ?

A cylindrical can, open at the top, is to hold 160 cm3 of liquid. Find the height and radius that minimize the amount of material needed to manufacture the can. Enter your answer with rational exponents, and use pi to represent 𝜋.

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  • charlatan
    Lv 7
    5 months ago

    pi*r^2*r=160*7/22=3.7062249948051928038084926021501

  • ted s
    Lv 7
    5 months ago

    "Maegan" ...you know πr²h = 160 and material surface is 2πrh + π r²...so h = 160 / (π r²)...now surface area can be written in terms of r.....minimize it

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