Kero has a plastic container in the shape of a cube. the length of a side is 20 cm. she wants to fill it with 3 liters of water. can her container hold this amount of water? explain you answer. (1 liter = 1000cm3).

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle