Raghu had to make a cylindrical aluminium tube. What is the area of the aluminium sheet required to make the tube if the length of the tube is 1 m and base radius is 3.5 cm? [Take π=227]

Raghu had to make a cylindrical aluminium tube. What is the area of th

1.	Raghu had to make a cylindrical aluminium tube. What is the area of the aluminium sheet required to make the tube if the length of the tube is 1 m and base radius is 3.5 cm? [Take π=227]
Answer» Raghu had to make a cylindrical aluminium tube. What is the area of the aluminium sheet required to make the tube if the length of the tube is $1 m$ and base radius is $3.5 c m ?$ [Take $π = \frac{22}{7}$ ]