The ratio between the length and breadth of the rectangle is 4: 3 and the height of the equilateral triangle is 2√3 times of the diagonal length of the rectangle. If the area of the rectangle is 192 cm², then find the area of the equilateral triangle.
1
1200√3 cm².
2
1400√3 cm².
3
1600√2 cm²
4
1500√3 cm².
5
1600√3 cm².