http://www.ck12.org Chapter 9. Circles
Practice
Determine if the arcs below are a minor arc, major arc, or semicircle of
⊙
G.EBis a diameter.1.AB̂
2.ABD̂
3.BCÊ
4.CAÊ
5.ABĈ
6.EAB̂
- Are there any congruent arcs? If so, list them.
- IfmBĈ= 48 ◦, findmCD̂.
- Using #8, findmCAÊ.
Determine if the blue arcs are congruent. If so, state why.
10.
11.
12.Find the measure of the indicated arcs or central angles in
⊙
A.DGis a diameter.
13.DÊ
14.DĈ
15.^6 GAB
16.F Ĝ
17.EDB̂
18.^6 EAB
19.DCF̂
20.DBÊ
Algebra ConnectionFind the measure ofxin
⊙
P.21.
22.
23.- What can you conclude about
⊙
Aand⊙
B?