University:
Felician University
Course:
MATH-231 | Geometry I
Academic year:

2020
Views:

213

Pages:

2
Author:

SpaceCadet101

Name -Date Period Но11огs Geometгy Notes - Sectio11 11.3 Sectoг Агеа a11d Аге Le11gth d the area of а sector wЬose сепtгаl The агеа of а sectoг is а fraction of the ciгcle containing a11g]e шeasuтes т 0 , multiply the агеа of the ciгcle Ьу TERM AREA А r WO radii of the circle and thei r intercepted arc. sector АСВ т_ Example # 1 : Find the агеа of each sectoг. Give a11sweгs,..i11 ten11s of те and гounded to tЬе neaгest hundredth. Example #2: А \Viпdshield wipeг Ыаdе is 18 inches long. То tЬе neaгest squaгe inch, wЬat is tl1e area covered Ьу the Ыаdе as it гotates thгougЬ an angle of 122 ° ? Examp]e #3: The area of а sectoг of а ciгcle is 16n sq. units. If tЬe central angle of the sector has а шeasure of , fiпd tЬе гadius of tl1e ciгcle.