alleryr = 7 cm আৰু h = 3 cm বিশিষ্ট এটা বন্ধ পাত্ৰৰ সম্পূৰ্ণ বাহ্যিক কালি নিৰ্ণয় কৰক (pi = 22/7)।
A352 sq cm
B220 sq cm
C308 sq cm
D440 sq cm
Answer & Solution
Correct answer: D. 440 sq cm
কাষৰীয় 2 pi r h = 132 আৰু দুটা ভূমি 2 pi r squared = 308 মিলি 440 square centimetres দিয়ে।
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