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ایک مرکزی زاویہ 80° ہے۔ ایک ہی قوس پر کندہ زاویہ کیا ہے؟

A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
مرکزی زاویہ ایک ہی قوس پر لکھے ہوئے زاویہ سے دوگنا ہے، لہذا 80/2 = 40 ڈگری۔
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