来自孟科的问题
如图,点O是△ABC的内切圆的圆心,若∠BAC=80°,则∠BOC=()A.160°B.130°C.120°D.100°
如图,点O是△ABC的内切圆的圆心,若∠BAC=80°,则∠BOC=()
A.160°
B.130°
C.120°
D.100°
1回答
2020-10-14 22:38
如图,点O是△ABC的内切圆的圆心,若∠BAC=80°,则∠BOC=()A.160°B.130°C.120°D.100°
如图,点O是△ABC的内切圆的圆心,若∠BAC=80°,则∠BOC=()
A.160°
B.130°
C.120°
D.100°
∵点O是△ABC的内切圆的圆心,
∴∠OBC=12