Explanation:
Perimeter of the hexagon = 240cm
As the hexagon is a regular hexagon each and every side of the hexagon is equal.
A hexagon has 6 sides
Therefore, a side 'a' of the hexagon is
a = 240/6
a = 40cm
Area of a hexagon = (3√3)/2 × 40
= 3√3 × 20
= 60√3 cm²