If the length of each side of an equilateral triangle is increased by 2 unit, the area is found to be increased by square unit. The length of each side of the triangle is
If the numerical value of the perimeter of an equilateral triangle is times the area of it, then the length of each side of the triangle is
If the side of a square is units and its diagonal is units, then the length of the side of the square would be
The diagonal of a square is . The diagonal of anothersquare whose area is doublethat of the first square is :