Question

A cylinder with the base radius of 8cm and has a height 12cm.Calculate to four significant figure. i.the curved surface area. ii.total surface area. iii.surface area of the cylinder when opened at one end. Take π =3.142.

Answer 1

Answer:

• Curved surface area =
• 
  `603.3 {cm}^(2)`
• Total surface area=
• 
  `1005 {cm}^(2)`
• Surface area (opened at one end)=
• 
  `804.4 {cm}^(2)`