pease explain that in 2^{nd} part of this question that what it says.

I only want to know that what the 2^{nd} part of the question says. the meaning of the 2^{nd} part. and i dont want the answer.

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 1/12 of the steel actually used was wasted in making the tank.

this question is from class 9 ncert ex-13.2 question 9

Q). The diagonals of the three faces of a cuboid are x, y and z, respectively. What is the volume of the cuboid?

In the answer of this question why do we take CE2 = EG2 + CG2 ???

PLS DO CLEAR IT .....

PLEASE ANSWER THE FOLLOWING QUESTION:Ajay has a piece of canvas whose area is 551 m

^{2 }.he used it to have a conical tent made with a base radius of 7m.Assuming that all of the stitching margins and wastage incurred while cutting amounts to 1m^{2 }.Find the slant height.Please solve the given question:Find the height of a cone if the slant height is 34 cm

^{2 }and base diameter 32 cm.Q24. (a) A well having 10 m inside diameter is dug 8.4 m deep. Earth taken out of it is spread all around it to a width of 7 m to form a beautiful embankment. Find the height of the embankment. The contractor charged Rs.500 per metre for digging and making the circular embankment on its total height of well and embankment. He measured the height of the embankment as 2 m. how much extra money he made.

(b) The concerned officer accepted his calculations and paid the money to him as demanded. Who is guilty-the contractor or the officer ? Comment. (Use $\mathrm{\pi}=\frac{22}{7}$).

Q. A cube of edge 'k' is divided into 'n' equal cubes. Determine the edge of the new cube.

(A) $\sqrt{nk}$

(B) $\frac{k}{\sqrt[3]{n}}$

(C) $\sqrt[3]{nk}$

(D) $\frac{\sqrt[3]{n}}{k}$

pease explain that in 2

^{nd}part of this question that what it says.I only want to know that what the 2

^{nd}part of the question says. the meaning of the 2^{nd}part. and i dont want the answer.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 1/12 of the steel actually used was wasted in making the tank.

this question is from class 9 ncert ex-13.2 question 9