Class 9 math chapter 16 | বৃত্তের পরিধি | কষে দেখি 16 | class ix math kose dekhi 16 | part 2

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Welcome 🙂

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Kore diyechi

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Sir apnar kache bodh hoy purono version er boi tai seser onko ta onno deya ache tai ami sobai k bolchi j kau kano ai seser onko exam a kore debe natahole number kata jabe ok asole notun boi a onko ta thik deoa ache......By the way sir apni khub valo bojhan❤ar sir please kichu mone korben na amar ai montobbe

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NO.16 RONG

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I LOVE YOU SAR

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..

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স্যার মেশিনের চাকা কতবার ঘোরে,সেইটা কিভাবে নির্ণয় করলেন একবারটি বলবেন?????

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Tai hoi to tomar osubidha hoyeche bujhte.

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Kothai টিউশন করেন জানাবেন । আমি যাবো , আমি আরও শিখতে চায়।😊😊😊

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কি

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Yes

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Taratari sir

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সহজে তো বোঝানো আছে। Akta r1 - r2 = 2 ache
R akata 2πr1 ÷ 2πr2 = 3÷ 2 hobe karon r1 ta boro dorechi tai age 3 hobe ....akhn theke calculation kore r1 o r2 ber korlei ব্যাসার্ধ পাবে তাকে 2 দিয়ে গুন করলেই ব্যাস পাবে

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