From a rectangular sheet of dimensions `30cm times 80cm`, four squares of sides x cm are removed at the corners, and the sides are then turned up so as to form an open rectangular box. What is the value of x, so that the volume of the box is the greatest?

From a rectangular sheet of dimensions 30cm times 80cm , four equal squares of side x cm are removed at the corners, and the sides are then turned up so as to form an open rectangular box. Find the value of x so that the volume of the box is the greatest.

From a rectangular sheet of dimension 30 cm xx 80 cm , four equal squares of side x cm. are removed at the corners, and the sieds are then turned up so as to form an open rectangular box. Find the value of x, so that the volume of the box is the greatest.

From a rectangular sheet of a cm xx bcm , four equal square pieces of side x cm are removed at the corners and the sides are then turned up so as to form an open rectangular box. Find the value of x so that the volume of the box is greatest.

From a rectangular sheet of metal of sides a and b, four equal square portions are removed at the corners and the sides are then turned up so as to form an open rectangular box. If the volume of liquid that can be contained in the box is maximum, then depth of the box is

A rectangular sheet of metal is 40cm by 15cm. Equal squares of side 4cm are cut off at the corners and the remainder is folded up to form an open rectangular box. The volume of the box is

A rectangular sheet of metal is 40 cm by 15 cm. Equal squares of side 4 cm are cut off at the corners and the remainder is folded up to form an open rectangular box. The volume of the box is

from a rectangular sheet of tin,of size 100cm by 80cm, are cut four squares of side 10cm from each corner.Find the area of the remaining sheet.

From a rectangular sheet of tin, of size 100 cm by 80 cm, are cut four squares of side 10 cm from each corner. Find the area of the remaining sheet.