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How do you find the width of a rod with mass and length?
You can't. You'd need to know density and height of rod.
What is the weight of 1 steel rod per foot?
First of all we need to define the cross sectional area of the rod. If it is a cylinder rod we would use pi * r^2, Do this metrically to make things easy (metres). next we times that by a ft (in metric it is 30cm) so do: cross sectional area * 0.3m. this is the volume of the steel per foot. now find out the weight per cubic cm (density) and multiply them. To find mass of a material you need to weigh it, or times its relative atomic mass by the number of moles. You'll have to find the density of your steel as you havn't specified what kind and there isn't a 'pure' steel as its an alloy.
How to find the perimeter and area of a rectangle?
To find the perimeter you add and to find the area we multiply.
How do you find a relationship in width and area?
To find the relationship in width and area you can use the formula area/length = width. To find the area of a room you multiple the length by the width.
How do you find an area of a square?
HOW TO FIND THE AREA OF A SQUAREmust x all sides
