{ "name": "Circles and Angles", "order": 26, "challenges": [ { "id": "59a5801209a6acac5983b516", "title": "Inscribed Angles in Circles", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a399", "title": "Inscribed Quadrilaterals in Circles", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a400", "title": "Angles On and Inside a Circle", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a401", "title": "Angles Outside a Circle", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }