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दोन समकेंद्री वर्तुळांनी मर्यादित केलेला प्रतलीय भाग कोणता भौमितिक आकार आहे?

Aकंकणाकृती
Bवर्तुळपाकळी
Cवर्तुळखंड
Dदीर्घवर्तुळ
Answer & Solution
Correct answer: A. कंकणाकृती
कंकणाकृती (annulus) हा दोन समकेंद्री वर्तुळांच्या दरम्यान बंदिस्त असलेला अंगठीच्या आकाराचा भौमितिक भाग आहे.
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