Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Geometry Unit 11 Note Sheets 2016 Measuring Angles and Arcs Part 1 Notes Sum of Central Angles The$sum$of$the$measures$of$the$central$ angles$of$a$circle$with$no$interior$points$ in$common$is$360$ !∠! + !∠! + !∠! = !"#$ Guided Practice 1. Find the value of x. Your Turn 2. Find the value of x. Arc A$portion$of$a$circle$defined$ by$two$endpoints.$ The$Arc$is$the$same$measure$ as$the$central$angle. Arcs and Arc Measures Minor Arc The$shortest$arc$connecting$two$ endpoints$on$a$circle$and$is$less$than$ !"#°$ Major Arc The$shortest$arc$connecting$two$ endpoints$on$a$circle$and$is$between$!"#°$ and$!"#°$ Semicircle An$arc$with$endpoints$that$lie$on$a$ diameter$and$measures$!"#° 1 Geometry Unit 11 Note Sheets 2016 Guided Practice !" is the diameter of ⊙ !. Identify each arc as a major arc, minor arc, or semicircle. Then find the measure. 3. 4. Your Turn Guided Practice Refer to the circle graph. Find each measure. 8. 9. Your Turn Refer to the circle graph. Find each measure. 10. 11. 2