alleryএটা অৰ্ধবৃত্তত অন্তৰ্লিখিত কোণৰ মাপ কিমান?
A45°
B90°
C180°
D60°
Answer & Solution
Correct answer: B. 90°
ব্যাসৰ দ্বাৰা উৎপন্ন অন্তৰ্লিখিত কোণ এটা সমকোণ (Thales' theorem)।
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