Question

    A water tank is shaped like a right circular cylinder with

    a height of 10 cm and a base radius of 2.8 cm. What is its volume? (Use π = 22/7)
    A 246.4 cm² Correct Answer Incorrect Answer
    B 122.5 cm² Correct Answer Incorrect Answer
    C 120.9 cm² Correct Answer Incorrect Answer
    D 113.7 cm² Correct Answer Incorrect Answer

    Solution

    ATQ,

    Volume of right circular cylinder = π × radius² × height

    = (22/7) × (2.8)² × 10

    = (22/7) × 7.84 × 10

    = (22 × 7.84 × 10) / 7

    = (1724.8) / 7

    = 246.4 cm³

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