如图，在菱形ABCD中，∠BAD=120°，点E、F分别在边AB、BC上，△BEF与△GEF关于直线EF对称，点B的对称点是点G，且点G在边AD上．若EG⊥AC，AB=6 2 ，则FG的长为_1．_刷题宝

题干

如图，在菱形ABCD中，∠BAD=120°，点E、F分别在边AB、BC上，△BEF与△GEF关于直线EF对称，点B的对称点是点G，且点G在边AD上．若EG⊥AC，AB=6 2 ，则FG的长为____．

上一题下一题 0.0难度选择题更新时间:2018-08-09 01:01:41

答案(点此获取答案解析）

3 6

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x

y

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