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max
max asked in Science & MathematicsMathematics · 4 years ago

Geometry word problem?

A right cylindrical water tank 18 ft in diameter contains water to a depth of 8 ft. What volume of water must be added to raise the water level to 12 ft?

2 Answers

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  • lenpol7
    Lv 7
    4 years ago

    V - v = pir^2H - pi r^2 h

    Factor

    V - v = pi r^2( H - h)

    V - v = 3.141582... 9^2 ( 12 - 8)

    V - v = 3.141592...81(4)

    V-v = 1017.876 cu. ft.

  • Como
    Lv 7
    4 years ago

    V1 = π x 9² x 8 ft³

    V1 = 648 π ft³

    V2 = π x 9² x 12 ft³

    V2 = 972 π ft³

    V to be added = 324 π ft³ = 1018 ft³

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