Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 Quantitative Aptitude Mensuration Plane Figures
The perimeter of an equilateral triangle is 18 cm. Find its area.
1
\(9\sqrt 3 ~c{m^2}\)
2
\(36\sqrt 3~ c{m^2}\)
3
\(18\sqrt 3 ~c{m^2}\)
4
\(27\sqrt 3 ~c{m^2}\)