Question 3A metal pipe is 77 cm long. The inner diameter of a cross-section is 4 cm, the outer diameter being 4.4 cm.Find its,(i) Inner curved surface area(ii) Outer curved surface area(iii) Total surface area. [Assume π=227]

Question 3A metal pipe is 77 cm long. The inner diameter of a cross-se

1.	Question 3A metal pipe is 77 cm long. The inner diameter of a cross-section is 4 cm, the outer diameter being 4.4 cm.Find its,(i) Inner curved surface area(ii) Outer curved surface area(iii) Total surface area. [Assume π=227]
Answer» Question 3 A metal pipe is 77 cm long. The inner diameter of a cross-section is 4 cm, the outer diameter being 4.4 cm. Find its, (i) Inner curved surface area (ii) Outer curved surface area (iii) Total surface area. $[A s s u m e π = \frac{22}{7}]$