Home
Class 8
MATHS
A closed cylindrical tank of radius 7 m ...

A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is required?

Text Solution

AI Generated Solution

To find the amount of sheet metal required to make a closed cylindrical tank, we need to calculate the total surface area of the cylinder. Here are the steps to solve the problem: ### Step-by-Step Solution: 1. **Identify the given values:** - Radius (r) = 7 m - Height (h) = 3 m ...
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    NCERT ENGLISH|Exercise EXERCISE 11.2|11 Videos

  • MENSURATION

    NCERT ENGLISH|Exercise EXERCISE 11.1|5 Videos

  • LINEAR EQUATIONS IN ONE VARIABLE

    NCERT ENGLISH|Exercise EXERCISE 2.3|9 Videos

  • PLAYING WITH NUMBERS

    NCERT ENGLISH|Exercise EXERCISE 16.1|10 Videos

Similar Questions

Explore conceptually related problems

A closed cylindrical tank of radius 1.5m and height 3m is made from a sheet of metal. How much sheet of metal is required?

It is required to make a closed cylindrical tank of height 1m and base diameter 140cm from a metal sheet. How many square metres of the sheet are required for the same?

It is required to make a closed cylindrical tank of height 1 m and base diameter 140 cm from a metal sheet. How many square metres of the sheet are required for the same?

Find the minimum length in cm and correct to nearest whole number of the thin metal sheet required to make a hollow and closed cylindrical box of diameter 20 cm and height 35 cm. Given that the width of the metal sheet is 1 m. Also, find the cost of the sheet at the rate of Rs 56 per sq m. Find the area of metal sheet required, if 10% of it is wasted in cutting, overlapping, etc.

Find the time required for a cylindrical tank of radius 2.5 m and height 3 m to empty through a round hole of radius 2.5 cm with a velocity 2. 5sqrt(h) m/s, h being the depth of the water in the tank.

Find the time required for a cylindrical tank of radius 2.5 m and height 3 m to empty through a round hole of 2.5 cm with a velocity 2. 5sqrt(h) m/s, h being the depth of the water in the tank.

A closed cylindrical tank, made of thin iron sheet, has diameter = 8.4 m and height 5.4 m. How much metal sheet, to the nearest m^(2), is used in making this tank, if (1)/(15) of the sheet actually used was wasted in making the tank ?

A closed rectangular box has length = 40 cm, breadth = 30 cm and height = 50 cm. It is made of thin metal sheet. Find the cost of metal sheet required to make 20 such boxes, if 1 m^(2) of metal sheet costs Rs.45.

A right circular cylindrical tunnel of diameter 2m and length 40m is to be constructed from a sheet of iron. The area of the iron sheet required in m^2, is (a) 40pi (b) 80pi (c) 160pi (d) 200pi

The capacity of a closed cylindrical vessel of height 1 m is 15.4 litres. How many square metres of metal sheet would be needed to make it?