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Standard IX

Mathematics

Volume of a right circular cone

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Question

Find the lateral curved surface area of a cylinderical petrol storage tank that is 4.2 m in diameter and 4.5 m high. How much steel was actually used, if $\frac{1}{12}$ of steel actually used was wasted in making the closed tank?

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Solution

Actual area of steel used = 95.04 m²

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Similar questions

Find the lateral curved surface area of a cylindrical petrol storage tank that is 4.2 m in diameter an 4.5 m high. How much steel was actually used, if $\frac{1}{12}$ of steel actually used was wasted in making the closed tank?

Q. Find
(i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is

4.2 m

in diameter and

4.5 m

high.
(ii) How much steel was actually used, if

\frac{1}{12}

of the steel actually used was wasted in making the tank?

Find

1)the lateral surface area of a closed cylindrical petrol storage tank that is 4.2m in diameter and 4.5m high.

2)howuch steel was actually used,if 1/12 of the steel actually used was wasted in making the tank.

Find

(i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

(ii) How much steel was actually used, if of the steel actually used was wasted in making the tank.

Q. Find:

(i)

The lateral or curved surface area of a closed cylindrical petrol storage tank that is

4.2

m in diameter and

4.5

m high. [Assume

π = \frac{22}{7}

]

(i i)

How much steel was actually used if

\frac{1}{12}

of the steel actually used was wasted in making the tank?

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Find the lateral curved surface area of a cylinderical petrol storage tank that is 4.2 m in diameter and 4.5 m high. How much steel was actually used, if 112of steel actually used was wasted in making the closed tank?

Actual area of steel used = 95.04 m2

Find the lateral curved surface area of a cylinderical petrol storage tank that is 4.2 m in diameter and 4.5 m high. How much steel was actually used, if $\frac{1}{12}$ of steel actually used was wasted in making the closed tank?

Actual area of steel used = 95.04 m²