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# Curved Surface Area (CSA) of Cuboid Calculator

A Cuboid is a 3D shape. It is a convex polyhedron bounded by six quadrilateral faces. The Curved surface area of a cuboid is the sum of the areas of its 6 faces. The surface area is the total area of all the faces of a 3D shape. Online Curved surface area of cuboid calculator helps you to calculate CSA Of Cuboid with the help of Height, Length and Breadth. First multiply the height with 2 and add the length and breadth. Finally, multiply these both values to get CSA.

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A Cuboid is a 3D shape. It is a convex polyhedron bounded by six quadrilateral faces. The Curved surface area of a cuboid is the sum of the areas of its 6 faces. The surface area is the total area of all the faces of a 3D shape. Online Curved surface area of cuboid calculator helps you to calculate CSA Of Cuboid with the help of Height, Length and Breadth. First multiply the height with 2 and add the length and breadth. Finally, multiply these both values to get CSA.

#### Formula:

A = 2h(l+b) Where, A = Curved Surface Area of Cuboid h = Height l = Length b = Breadth

#### Example

The length, height and breadth of a cuboid are 5mm, 7mm and 12mm. Find the curved surface area.
CSA = 2h(l+b)
= 2 x 7(5+12)
= 238 mm^2.