NCERT Class 8

4. Rukshar painted the outside of the cabinet of measure 1 m ×2 m ×1.5 m. How much surface area did she cover if she painted all except the bottom of the cabinet? 4. Rukshar painted the outside of the cabinet of measure 1 m ×2 m ×1.5 m. How much surface area did she [...]

3. Find the side of a cube whose surface area is 600cm^2 . 3. Find the side of a cube whose surface area is 600cm^2 . October 12, 2020 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,

2. A suitcase with measures 80 cm x 48 cm x 24 cm is to be covered with a tarpaulin cloth. How many meters of tarpaulin of width 96 cm is required to cover 100 such suitcases? 2. A suitcase with measures 80 cm x 48 cm x 24 cm is to be covered with [...]

1. There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make? 1. There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to make? October 12, 2020 Category: Chapter 11 - Mensuration , Maths , [...]

11. Diagram of the adjacent picture frame has outer dimensions = 24 cm×28 cm and inner dimensions 16 cm×20 cm. Find the area of each section of the frame, if the width of each section is same. 11. Diagram of the adjacent picture frame has outer dimensions = 24 cm×28 cm and inner dimensions 16 [...]

10. There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways. Find the area of this park using both ways. Can you suggest some other way of finding its area? 5. The diagonals of a rhombus are 7.5 cm and 12 [...]

9. Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface. 9. Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface. October [...]

8. Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m^2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river. 5. [...]

7. The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m^2 is Rs. 4. 7. The floor of a building consists of 3000 tiles which are [...]

6. Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal. 6. Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of [...]