alleryদুটা এককেন্দ্ৰিক বৃত্তৰ মাজৰ আঙুঠি আকৃতিৰ অঞ্চলটোক কি বোলা হয়?
Aলেন্স
Bবৃত্তকলা
Cবলয়
Dবৃত্তখণ্ড
Answer & Solution
Correct answer: C. বলয়
একেটা কেন্দ্ৰ থকা দুটা বৃত্তৰে আৱৰি থকা আঙুঠিৰ দৰে অংশটো হ'ল এটা বলয়।
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