alleryএকটি সমকোণকে রেডিয়ান মানে রূপান্তর করুন।
Aπ/3
Bπ/4
Cπ/2
D2π/3
Answer & Solution
Correct answer: C. π/2
যেহেতু 360 degrees হল 2 pi radians, তাই 90 degrees হল তার এক-চতুর্থাংশ, pi/2।
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