The method usually fits into one of two general categories:
1). Use the formula that has been developed for the surface area of
that particular shape.
2). Break the shape down into pieces with shapes for which the formula
for the surface area has been previously developed, and then apply the
method of Category #1.
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To find the area of a shape, we need to know the shape of the figure. If these measurements represent the sides of a polygon, we would need to know the shape (e.g., rectangle, triangle) to calculate the area. If these measurements represent separate rectangles, you would calculate the area of each rectangle individually and then sum them up to find the total area. Without knowing the specific arrangement of these measurements, it is not possible to determine the area accurately.
With great difficulty because a trapezoid is a 2 dimensional shape which has no volume but it does have a surface area.
The area of any rectangular shape, including the square, is the length times the breadth. Area = length x breadth
I did not. In any case, the answer is incorrect since the surface area cannot be 0.9 cm.
Intial volume = final volume from this approach if you know any one of them % reduction in area or % elangation. you can calculate other