The sum of the edges of a cuboid is 80cm, and its bottom is a square with a circumference of 20cm. The volume of the cuboid is

The sum of the edges of a cuboid is 80cm, and its bottom is a square with a circumference of 20cm. The volume of the cuboid is

High = (80-20x20) △ 4 = 40 △ 4 = 10
Side length of bottom surface 20 △ 4 = 5cm
Volume 5x5x10 = 250 CC
A: the volume is 250 cubic centimeters