$6$ cm ꯑꯣꯏꯕꯥ ꯏꯛꯌꯨꯏꯂꯦꯇꯔꯦꯜ ꯇ꯭ꯔꯥꯏꯑꯦꯉ꯭ꯒꯜ ꯑꯃꯒꯤ ꯑꯦꯔꯤꯌꯥ ꯑꯗꯨ ꯈꯪꯗꯣꯀꯎ꯫
A$6\sqrt{3}$ cm²
B$9\sqrt{3}$ cm²
C$12\sqrt{3}$ cm²
D$18$ cm²
Answer & Solution
Correct answer: B. $9\sqrt{3}$ cm²
ꯏꯀꯨꯏꯂꯦꯇꯔꯦꯜ ꯇ꯭ꯔꯥꯏꯑꯦꯉ꯭ꯒꯂꯒꯤ ꯑꯦꯔꯤꯌꯥ $= \dfrac{\sqrt{3}}{4} \times \text{side}^2 = \dfrac{\sqrt{3}}{4} \times 36 = 9\sqrt{3}$ cm².
Keep practising Mensuration: Surface Areas & Volumes
Browse all Mensuration: Surface Areas & Volumes questions for RRB NTPC, or explore more Mathematics topics.
Related questions