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    Question

    Find the circumference and area of a circle of radius 7

    cm. Take π = 22/7.
    A 44 cm and 104 cm² Correct Answer Incorrect Answer
    B 34 cm and 124 cm² Correct Answer Incorrect Answer
    C 44 cm and 154 cm² Correct Answer Incorrect Answer
    D 24 cm and 150 cm² Correct Answer Incorrect Answer

    Solution

    Circumference = 2πr = 2 × (22/7) × 7 = 44 cm Area = πr² = (22/7) × 7 × 7 = (22/7) × 49 = 154 cm² Answer: Circumference = 44 cm; Area = 154 cm².

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