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Surface area is easy but hard. i will give you the formula and an example.
Formula: 2xlxw+2xlxh+2xhxw.
l= length
w= width
h= height
now say h= 4 in, l= 12 in and w= 3.5 in. now you would do lxw or 12x3.5. then multiply the product by 2. then do lxh or 12x4. now multiply by 2. finally, do hxw or 4x3.5. now add all your answers to get the final sum.
It depends on what you are looking for the surface area of. If it's a rectangular shape, it's length times width.
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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
How do you find the surface area of a triangular surface?
to find the surface area you have to first find the area of each part then add the areas together.
When do you find an area by separating the figure into familiar shapes?
To find the area, use formulas to find the area of the smaller, regular shapes. Then add up all the smaller areas to find the area of the original shape.
