Home  >  Class 8 Math  >  Class 8 Maths Practice Test: Mensuration - Surface Area of a Cube, Cuboid and Cylinder

A building has 6 cylindrical pillars whose radius is 2m and height is 12m. Each pillar has to be painted and the cost of painting is Rs 22 per meter sq. Find the cost of painting the curved surface area of the 6 pillars.

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The surface area of various solid shapes are:
Cuboid: 2(lb+bh+hl), where l, b and h are the length, breadth and height of a cuboid.

Cube: 6a2, a is the side of the cube.

Cylinder: 2πr (r+h), r is the radius of circular base and h is the height of the cylinder.


A building has 6 cylindrical pillars whose radius is 2m and height is 12m. Each pillar has to be painted and the cost of painting is Rs 22 per meter sq. Find the cost of painting the curved surface area of the 6 pillars.






 
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