Question

what is the difference between surface area,curved surface area and total surface area

Answer 1

surface are is the surface. curved surface is the surface which has curved one like cylinder. and total surface area is total surface and curved one

Answer 2

surface area and total surface area are same it means that the total area of given substance where as CSA means it's for cylinder .it has two circles one bottom and one top.the curved area is called it's CSA.for cuboid and cube we say it as lsa it means the area of four faces.