alleryदोन समकेंद्री वर्तुळांमधील कडीच्या आकाराच्या क्षेत्राला काय म्हणतात?
Aलेन्स
Bवृत्तांश
Cवलय
Dवर्तुळखंड
Answer & Solution
Correct answer: C. वलय
समान केंद्र असलेल्या दोन वर्तुळांनी बद्ध असणाऱ्या कडीला वलय म्हणतात.
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