Surface Area of a Cylinder 78 foot by 31 foot Calculator

The Surface Area of a Cylinder is equal to the sum of the areas of the bases each having an area of π ⋅ r² , plus the area of the side. The area of the side is equal to the area of a rectangle with length 2 π r (the circumference of the base) times the height. Surface Area of Cylinder Base Radius 78 foot by height 31 foot is53392.56 foot².

Steps:

Given that Base radius(r) = 78 ft and height(h) = 31 ft

The Surface Area of Cylinder = 2π .(Radius)² + 2π .(Radius) . (Height)

Substitute the values of the radius r = 78 ft and height h = 31 ft into the formula. Pi (π) is approximately equal to 3.14 .

2 . (π) . (78²) ft² + 2 .(π) . (78) ft . (31.0) ft

Raise 78.0 ft to the power of 2.

2 .(π) . (6084.0) ft² + 2 . (π) . (78.0) ft . (31.0) ft

Multiply 6084.0 ft² by 2

12168.0 ft² . π + 2 .(π) . 78.0 ft . 31.0 ft

Multiply 78.0 ft and 31.0 ft

12168.0 ft . π + 2418.0 ft² . π . 2

Multiply 2418.0 ft² and 2

12168.0 ft² . π + 4836.0 ft² . π

Add 12168.0 . π ft² and 4836.0 . π ft²

The result can be shown in multiple forms.

Exact Form

17004.0 . π ft²

∴ Surface Area of Cylinder 78.0 ft by 31.0 ft is 17004.0 . π ft²

Decimal Form

53392.56 ft²

∴ Surface Area of Cylinder 78.0 ft by 31.0 ft is 53392.56 ft²