alleryএটা বৃত্তাকাৰ ঢাকনিৰ ব্যাসাৰ্ধ 3.5 cm; ইয়াৰ ৰিমৰ দৈৰ্ঘ্য কিমান? π = 22/7 ব্যৱহাৰ কৰক।
A38.5 cm
B44 cm
C22 cm
D11 cm
Answer & Solution
Correct answer: C. 22 cm
ৰিমৰ দৈৰ্ঘ্য 2 × (22/7) × 3.5 = 22 চে.মি.
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