railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Plane Figures
If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?
1
y4 = 432x2
2
y4 = 216x2
3
y2 = 432x2
4
None of the above