7).
If the area of a regular hexagon is equal to the area of an equilateral triangle of side 12 cm, then the length in cm of each side of the hexagon is equal to
Explanation
If each side of hexagon measures cm, its area = 6 ….(1)
Area of equilateral triangle of side 12 cm = …..(2)
Equating (1) and (2),
6 =
- = = 2√6
Ans (3)