Total Surface Area of Cylinder
Total Surface Area of Cylinder
A Cylinder of radius r and height h. The total surface area or TSA includes area of circular top and base as well as the curved surface area or CSA.
Length of rectangle= Circumference of base =
Breadth of rectangle = h
TSA = Area of base + Area of top + CSA of cylinder
Illustration: A solid cylinder has total surface area of 462 Its curved surface area is one-third of its total surface area. Find the radius and height of the cylinder.
Solution: Given: Curved surface area
...................(i)
Now, given that total surface area = 462
Curved surface area
Using equation (i0, we have
As
So,
Hence height of cylinder = 3.5 cm
Using equation (i), we have
and radius of cylinder = r = 2h
= 7 cm
If the diameter of the base of a closed right circular cylinder be equal to its height h, then its whole surface area is ______________ | |||
| Right Option : B | |||
| View Explanation | |||
Find the surface area of a can with radius of 7.7 cm and height 12.3 cm. | |||
| Right Option : B | |||
| View Explanation | |||
A solid cylindrical tank has total surface area of 462 sq cm. Its curved surface area is one third of its total surface area. Find the radius and the height of the cylinder. | |||
| Right Option : B | |||
| View Explanation | |||
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