alleryਇੱਕ ਕੇਂਦਰੀ ਕੋਣ 80° ਹੈ। ਉਸੇ ਚਾਪ ਉੱਤੇ ਉੱਕਰਾ ਹੋਇਆ ਕੋਣ ਕੀ ਹੈ?
A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
ਕੇਂਦਰੀ ਕੋਣ ਇੱਕੋ ਚਾਪ ਉੱਤੇ ਲਿਖੇ ਕੋਣ ਤੋਂ ਦੁੱਗਣਾ ਹੈ, ਇਸ ਲਈ 80/2 = 40 ਡਿਗਰੀ।
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