Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra

第6题

Autor:郭子健
6．（4分）如图，正五边形ABCDE内接于⊙O，连接OC，OD，则∠BAE﹣∠COD＝（　　） A．60°                            B．54°                              C．48°                            D．36°

Neue Materialien

Entdecke Materialien

Entdecke weitere Themen