Question

Anton use a square cardbaord to make an open box.He cut small squares of the same dimension from the corners of the card board then bent the side upward.The length of the sides of the cardboard is 28 cm.

A. What expression represents the length of sides of the box?

B. How would you represent the area of the base of the box?

C. Supposed the length of the side of each small square is 8 cm.What would be the area of the base of the box?

I need the answer now please

Answer 1

A. if x is cut from each corner, then each side of the square base is 28-2x. When the tabs are folded up, the height of the open box will be x.

As you know, volume is length*width*height

B. The area (outside only) is the area of the square base plus 4 sides of length 28-2x and height x

C. should be clear from the above hints