As is shown in picture AB⊥CD、AB=12cm,CD=7cm.What is the area of quadrilateral ABCD?翻译,

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AsisshowninpictureAB⊥CD、AB=12cm,CD=7cm.WhatistheareaofquadrilateralABCD?翻译,AsisshowninpictureAB⊥CD、A

As is shown in picture AB⊥CD、AB=12cm,CD=7cm.What is the area of quadrilateral ABCD?翻译,
As is shown in picture AB⊥CD、AB=12cm,CD=7cm.What is the area of quadrilateral ABCD?
翻译,

As is shown in picture AB⊥CD、AB=12cm,CD=7cm.What is the area of quadrilateral ABCD?翻译,
如图所示:AB⊥CD、AB=12cm,CD=7cm.求四边形ABCD的面积.

如图所示。。中间省略。。。求ABCD面积