এটা কেন্দ্ৰীয় কোণ 80°। একেটা চাপৰ ওপৰত থকা অন্তৰ্লিখিত কোণটো কিমান?
A40°
B160°
C20°
D80°
Answer & Solution
Correct answer: A. 40°
একেটা চাপৰ ওপৰত থকা কেন্দ্ৰীয় কোণটো অন্তৰ্লিখিত কোণৰ দুগুণ, গতিকে 80/2 = 40 degrees।
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