{ "name": "Polygons", "order": 21, "challenges": [ { "id": "59a5801209a6acac5983b511", "title": "Regular and Irregular Polygons", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a377", "title": "Area of Regular and Irregular Polygons", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a378", "title": "Area and Perimeter of Similar Polygons", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a379", "title": "Construct Regular Polygons", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a380", "title": "Congruent Polygons", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a381", "title": "Corresponding Parts of Congruent Figures", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }