Chapter 11 – Mensuration

The formula for lateral surface area of cuboid is

The cost of papering the wall of a room, 12 m long, at the rate of Rs. 1.35 per square meter is Rs. 340.20. The cost of matting the floor at Re. 0.85 per square metre is Rs. 91.80. Find the height of the room.

Surface area of a cuboid = __________

The length of parallel sides of trapezium is 14 cm and 6 cm and its height is 5 cm. Its area will be

Two dimensional figure is a

A rectangular paper of width 7 cm is rolled along its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder.

The formula for finding lateral surface area of cylinder is

Which of the following is an example of two dimensions

Find the volume of a cuboid whose length is 8 cm, breadth 6 cm and height 3.5 cm.

In a quadrilateral, half of the product of the sum of the lengths of parallel sides and the parallel distance between them gives the area of

Diagonals of rhombus are

The area of four walls of the room is

Find the height of cuboid whose volume is 490 cm3 and base area is 35 cm3.

The amount of space occupied by a three dimensional objects is called its

A cylindrical tank has a capacity of 5632 m3. If the diameter of its base is 16 m, find its depth.

Find the total surface area of a cube whose volume is 343 cm3.

Solid figures are

The area of a trapezium is

The formula for finding total surface area of cuboid is

Find the volume of a cuboid whose length is 8 cm, breadth 6 cm and height 3.5 cm.

Question 21.The area of a rectangle of length a and breadth b is

Question 22.The area of a square of side a is

Question 23.The area of a triangle with base b and altitude h is

Question 24.The area of a parallelogram of base b and altitude h is

Question 25.The area of a circle of radius r is

Question 26.1 cm³ =

Question 27.1 m³ =

Question 28.1 mm³ =

Question 29.1 cm³ =

Question 30.The surface area of a cuboid of length l, breadth b and height h is