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How to calculate the area of the polygon in d3.js?
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Answer / Satya Prakash Gautam
To calculate the area of a polygon in d3.js, you can first obtain an array of the polygon's vertices (x and y coordinates) and use the Shoelace formula: `area = 0.5 * abs(sum((x[i] * y[i+1]) - (x[i+1] * y[i])) for i from 0 to n-1)`. Be sure to wrap the Shoelace formula in a function and call it after updating the polygon's vertices.
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