Question

The radius of a cylindrical tank is 14 m. And height 20 m. Is.Find the area of ​​curvature of the cylindrical tank.(ii) Find the total surface area of ​​a cylindrical tank.(iii) Find the volume of a cylindrical tank.​

Answer 1

Answer:

radius of tank, r = 14 m

height of tank ,h= 20 m

area of curvature = Curved Surface area = 2π rh

$2 \times \frac{22}{7} \times 14 \times 20 \\ 1760 {m}^{2}$

total surface area. =2πr(r+h)

$2 \times \frac{22}{7} \times 14(14 + 20) \\ = 88 \times 34 = 2992 {m}^{2}$

volume of cylindrical tank =πr²h

$\frac{22}{7} \times 14 \times 14 \times 20 = 43120 {m}^{3}$

Answer 2

Given :

• Radius of Cylinderal tank = 14cm
• Height of Cylinderal tank = 20cm

To Find :

• Area of curvature of the cylindrical tank
• Total surface area of a cylindrical tank.
• Volume of a cylindrical tank.

Solution :

(i) Curvature of Cylinderal tank

CSA of cylinder = 2πrh

CSA of cylinder = 2 × 22/7 × 14 × 20

CSA of cylinder = 44 × 2 × 20

CSA of cylinder = 88 × 20

CSA of cylinder = 1760cm²

(ii) Total surface area of cylinder

TSA of cylinder = 2πr (h + r)

TSA of cylinder = 2 × 22/7 × 14 (14 + 20)

TSA of cylinder = 44 × 2 × 34

TSA of cylinder = 88 × 34

TSA of cylinder = 2992cm²

(iii) Volume of cylinder

Volume of cylinder = πr²h

Volume of cylinder = 22/7 × 14 × 14 × 20

Volume of cylinder = 44 × 14 × 20

Volume of cylinder = 12320cm³

Therefore,

• CSA of cylinder is 1760cm²

• TSA of cylinder is 2992cm²

• Volume of cylinder is 12320cm³

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