挑战习题
1/5单选题
难度:

1.正多边形的一个内角为135°,则该多边形的边数为(  )
A 9
B 8
C 7
D 4
提示1:
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正确答案:Qg==
PGRpdj7op6PvvJriiLXmraPlpJrovrnlvaLnmoTkuIDkuKrlhoXop5LkuLoxMzXCsO+8jDxicj7iiLTlpJbop5LmmK8xODAtMTM1PTQ1wrDvvIw8YnI+4oi1MzYww7c0NT0477yMPGJyPuWImei/meS4quWkmui+ueW9ouaYr+WFq+i+ueW9ojwvZGl2Pg==