एक मध्य कोन 80° आसता. त्याच चापाचेर कोरांतिल्लो कोन कितलो आसता?
A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
मध्य कोन एकाच चापाचेर कोरांतिल्ल्या कोनापरस दुप्पट आसता, देखून 80/2 = 40 अंश.
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