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Surface area = length*width in square units
actually surface area is always of 3 -d figures not for 2 d figures. area of rectangle= length x breadth.. remember never use surface area term for 2d figures. :)
To calculate the area of a rectangle, all you need to do is multiply the base and the height. In this case 1 and 1.5. So the area is simply 1.5.
The surface area is the area of every face of a 3D object, such as a cube or sphere. Area usually refers to a flat object, such as a circle or rectangle.
Please provide contact surface area of multimill