{"title":"破碎的天花板灯:没有半径的圆形区域","authors":"Nicholas J. Gilbertson","doi":"10.5951/mtlt.2023.0120","DOIUrl":null,"url":null,"abstract":"A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter.","PeriodicalId":188924,"journal":{"name":"Mathematics Teacher: Learning and Teaching PK–12","volume":"231 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Broken Ceiling Lights: Circular Area Without the Radius\",\"authors\":\"Nicholas J. Gilbertson\",\"doi\":\"10.5951/mtlt.2023.0120\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter.\",\"PeriodicalId\":188924,\"journal\":{\"name\":\"Mathematics Teacher: Learning and Teaching PK–12\",\"volume\":\"231 4\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Mathematics Teacher: Learning and Teaching PK–12\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5951/mtlt.2023.0120\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mathematics Teacher: Learning and Teaching PK–12","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5951/mtlt.2023.0120","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Broken Ceiling Lights: Circular Area Without the Radius
A customer walks in to a lighting store with a broken ceiling light, and the solution to finding a replacement glass illuminates an alternative approach to finding the circumference and area of a circle without knowing the circle’s center, radius, or diameter.