allery12 cm বাহুবিশিষ্ট এটা সমবাহু ত্ৰিভুজৰ উন্নতি কিমান?
A9 cm
B6√2 cm
C6 cm
D6√3 cm
Answer & Solution
Correct answer: D. 6√3 cm
উন্নতিয়ে ভূমিক 6 আৰু 6 হিচাপে দুভাগ কৰে, গতিকে ই 144 - 36 = 108 ৰ বৰ্গমূল, যিটো হৈছে 6√3 cm।
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