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Well, it depends on the area of the shape you are trying to find, if its:

square: length times width

triangle: base times height divided by 2

circle: 3.14 times radius squared

trapezoid: base 1 plus base 2 times height divided by 2

A U shaped figure is probably half of a circle and a rectangle. The diameter of the circle is the same as the width of the rectangle.

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15y ago

What else can I help you with?