allery21 cm ব্যাসাৰ্ধৰ এটা বৃত্তৰ কেন্দ্ৰত এডাল চাপে 60° কোণ উৎপন্ন কৰে। pi = 22/7 ব্যৱহাৰ কৰি, ইয়াৰ দৈৰ্ঘ্য নিৰ্ণয় কৰক।
A33 cm
B18 cm
C22 cm
D11 cm
Answer & Solution
Correct answer: C. 22 cm
সম্পূৰ্ণ পৰিধি হৈছে 132 cm আৰু 60 ডিগ্ৰী হৈছে ইয়াৰ এক-ষষ্ঠাংশ, যাৰ পৰা 22 cm পোৱা যায়।
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