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    Subject

    Bank Exam

    Topic

    Standard Bank Ltd. - Trainee Assistant Officer - 2018

    Find the circumference of a circle whose diameter is 16cm. Use 3.14 for π\pi .

    ক)
    31.56
    খ)
    50.24
    গ)
    60
    ঘ)
    40

    Explanation

    Solution: প্রশ্নে বলা হচ্ছে যে, 16cm ব্যাসবিশিষ্ট একটি বৃত্তের পরিধি কত ? এখানে π\pi = 3.14 ব্যবহার করতে হবে । বৃত্তের ব্যাস 2π\pi = 16cm ব্যাসার্ধ π\pi = 16/2 = 8cm আমরা জানি, পরিধি = 2π\pi r = 2 × \times 3.14 × \times 8 = 50.24 cm.

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