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How to Find the Area of the Polygon?
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How-to guide
How to Find the Area of the Polygon?
11 steps
4 min read
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Identify the polygon’s vertices and side lengths
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Determine whether the polygon is regular or irregular
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If the polygon is regular, use the formula (A = frac{1}{2}ap), where (a) is the apothem and (p) is the perimeter
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If the polygon is irregular, divide it into triangles, rectangles, or other simpler shapes
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Find the area of each simpler shape
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Add the areas of all simpler shapes together
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If the polygon is on a coordinate plane, use the shoelace formula
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For a triangle, use (A = frac{1}{2}bh)
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For a rectangle, use (A = lw)
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For a trapezoid, use (A = frac{1}{2}(b_1+b_2)h)
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For a parallelogram, use (A = bh)
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