defence exam Indian Navy Tradesman Mate Mock Test 2024 Quantitative Aptitude Mensuration Plane Figures
An equilateral triangular sheet is formed by joining 9 equilateral triangular sheets each of area \(9\sqrt 3 \) cm2. What is the height of the bigger triangular sheet?
1
\(9\sqrt 3 \,{\rm{cm}}\)
2
18 cm
3
\(18\sqrt 3 \,{\rm{cm}}\)
4
27 cm