{
  "id": "regular-polygon-calculator",
  "version": "1.0.0",
  "name": "Regular Polygon Calculator",
  "shortName": "Regular Polygon",
  "description": "Calculate perimeter, area, apothem, circumradius, and angles from side count and side length.",
  "category": "Math & Statistics",
  "categorySlug": "math-statistics",
  "keywords": [
    "regular",
    "polygon",
    "calculator",
    "regular polygon calculator"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/regular-polygon-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "1.0.0",
    "referenceCoverage": "references-pending",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-09-01",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "urls": {
    "page": "/calculator/regular-polygon-calculator/",
    "definition": "/calculator/regular-polygon-calculator/definition.json",
    "schema": "/calculator/regular-polygon-calculator/schema.json",
    "llms": "/calculator/regular-polygon-calculator/llms.txt",
    "legacyDefinition": "/calculator/regular-polygon-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/regular-polygon-calculator/?sides=6&sideLength=5",
  "queryParameters": {
    "sides": {
      "label": "Number of sides n",
      "type": "number",
      "required": true,
      "default": 6
    },
    "sideLength": {
      "label": "Side length s",
      "type": "number",
      "required": true,
      "default": 5
    }
  },
  "inputs": [
    {
      "id": "sides",
      "label": "Number of sides n",
      "type": "number",
      "required": true,
      "defaultValue": 6,
      "min": 3,
      "max": 10000,
      "step": 1
    },
    {
      "id": "sideLength",
      "label": "Side length s",
      "type": "number",
      "required": true,
      "defaultValue": 5,
      "min": 0.000001,
      "step": 0.001
    }
  ],
  "outputs": [
    {
      "id": "area",
      "label": "Area",
      "format": "number",
      "primary": true,
      "digits": 8
    },
    {
      "id": "perimeter",
      "label": "Perimeter",
      "format": "number",
      "digits": 8
    },
    {
      "id": "apothem",
      "label": "Apothem",
      "format": "number",
      "digits": 8
    },
    {
      "id": "circumradius",
      "label": "Circumradius",
      "format": "number",
      "digits": 8
    },
    {
      "id": "interiorAngle",
      "label": "Interior angle",
      "format": "number",
      "digits": 6,
      "suffix": "°"
    },
    {
      "id": "exteriorAngle",
      "label": "Exterior angle",
      "format": "number",
      "digits": 6,
      "suffix": "°"
    }
  ],
  "formula": {
    "expression": "area = ns² ÷ [4 tan(π/n)]"
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "sides": 6,
        "sideLength": 5
      }
    }
  ],
  "sources": []
}