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    Question

    The radius of a cylindrical tank is 7 meters, and its

    height is 14 meters. How much water will it take to fill the tank to half its capacity?
    A 500π m³ Correct Answer Incorrect Answer
    B 700π m³ Correct Answer Incorrect Answer
    C 343π m³ Correct Answer Incorrect Answer
    D 312π m³ Correct Answer Incorrect Answer

    Solution

    Volume of the cylinder = πr²h. For a full tank, volume = π × (7)² × 14 = π × 49 × 14 = 686π m³. Half the capacity of the tank = 686π / 2 = 343π m³. Correct answer: c. 343π m³

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