allerysin 30° ৰ মান কিমান?
A1
B1/2
C√3/2
D1/√2
Answer & Solution
Correct answer: B. 1/2
এটা 30-60-90 ত্ৰিভুজত 30 ডিগ্ৰীৰ বিপৰীত বাহুটো অতিভুজৰ আধা।
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