初三数学关于圆的题目

Question

六边形ABCDEF的六个顶点都在○O上,若AB=BC=CD=DE=EF=FA，则∠AOB=_______度，△AOB是________三角形.∠FAB、∠ABC、∠BCD、∠COE、∠DEF、∠EFA相等吗？它们的度数分别是________、__________、_________、__________、__________、__________度

Answer 1

六边形ABCDEF的六个顶点都在○O上,若AB=BC=CD=DE=EF=FA，则∠AOB=__60_____度，△AOB是____正____三角形.∠FAB、∠ABC、∠BCD、∠COE、∠DEF、∠EFA相等吗？它们的度数分别是__120_____、____120______、___120______、__120________、_____120_____、__120_______度