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? asked in Science & MathematicsMathematics · 5 years ago

These cylinders are similar. Find the volume of the smaller cylinder. Round to the nearest tenth?

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  • Roger the Mole
    Lv 7
    5 years ago
    Favorite Answer

    pi x r^2 x 5 cm = 393 cm^3

    Solve for r:

    r = 5 cm

    So the smaller cylinder has a radius of 3 cm:

    pi x (3 cm)^2 x 3 cm = 84.8 cm^3

  • ted s
    Lv 7
    5 years ago

    393 / [ 5 / 3 ]³ ........84 8/9 cm³....note volume is 3 dimensional...thus ratio³ is used

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