# Zee school , math subject.

posted by Kushitha

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.

1. Reiny

What is the area of the original sheet ?
What is the area of one of the squares to be cut out?
How many of those cut-out squares are there?
What is left over after we cut them out?
... etc.

## Similar Questions

1. ### math

A rectangular sheet of metal, of area 440 sq.cm is folded into a cylinder, to enclose a volume of 1540 cu.cm. A circle whose diameter is equal to the width of the rectangular sheet is cut from the sheet. Find the ratio of the area …
2. ### maths

4m a rectangular sheet tin of size 100cm,80cm are cut 4 square side 10cm from each corners find area of remaining side.
3. ### Math

An open box is to be made from a 10-ft by 14-ft rectangular piece of sheet metal by cutting out squares of equal size from the four corners and folding up the sides. what size squares should be cut to obtain a box with largest possible …
4. ### math

a rectangular sheet of cardboard 4m by 2m is used to make an open box by cutting squares of equal size from the four corners and folding up the sides.what size squares should be cut to obtain the largest possible volume?
5. ### Calculus

Bruce has commissioned the construction of an open-top rectangular tank to be fashioned from a 3m by 5m sheet of steel. Squares will be cut from each corner and sides will be bent upward to form the tank to be used for live bait storage. …
6. ### Math

Circular discs of radius 3.5cm are to be cut from a rectangular sheet of cardboard measuring 50cm by 30cm. once the disc are cut out, the remaining parts of the sheet are waste. A. how many disc can be cut from one sheet of cardboard?
7. ### math

From a rectangular sheet of acrylic of dimensions 32 cm by 24 cm 64 circular buttons, each of diameter 3.5 cm , have been cut out. Find the area of the remaining sheet.
8. ### Calculus

A carpenter wants to make an open-topped box out of a rectangular sheet of tin 24 inches wide and 45 inches long. The carpenter plans to cut congruent squares out of each corner of the sheet and then bend the edges of the sheet upward …
9. ### Maths

a rectangular metal sheet of length 30cm and breadth 25cm is to be made into an open box of base area 300cm by cutting out equal squares from each of the four corners and then bending up the edges find the length and the side cut from …
10. ### Maths

Q1. A metallic sheet of the rectangular shape with dimensions 50cm x 40cm. From each one of its corner, a square of 5cm is cut off. An open box is made of the remaining sheet. Find the volume of the box and the total surface area of …

More Similar Questions