挑战习题
1/5单选题
难度:

1.下列说法正确的是(  )
A 各边对应成比例的多边形是相似多边形
B 矩形都是相似图形
C 等边三角形都是相似三角形
D 菱形都是相似图形
提示1:
IOagueaNruebuOS8vOWbvuW9oueahOWumuS5ie+8jOWvueW6lOi+ueaIkOavlOS+i++8jOWvueW6lOinkuebuOetieWvueWQhOmAiemhueWIhuaekOWIpOaWreWQjuWIqeeUqOaOkumZpOazleaxguinow==
正确答案:Qw==
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