Raghu had to make a cylindrical aluminium tube. What is the area of the aluminium sheet he needs to make the tube, if the tube has length of 1m and base radius of 3.5cm? (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 he needs to make the tube, if the tube has length of 1m and base radius of 3.5cm? (Take π = 227)
Answer» Raghu had to make a cylindrical aluminium tube. What is the area of the aluminium sheet he needs to make the tube, if the tube has length of 1m and base radius of 3.5cm? (Take π = $\frac{22}{7}$ )