题目如图,△ABC\triangle ABC△ABC中,∠BAC=90∘\angle BAC=90^{\circ}∠BAC=90∘,AB=3AB=3AB=3,AC=4AC=4AC=4,BDBDBD平分∠ABC\angle ABC∠ABC,且AD⊥BDAD\bot BDAD⊥BD,则△ABD\triangle ABD△ABD与△ADC\triangle ADC△ADC的面积和是______.知识点：全等三角形的性质;全等三角形的判定;旋转的性质章节：未标注
如图,中,,,,平分,且,则与的面积和是______.如图,中,,,,平分,且,则与的面积和是______.如图,中,,,,平分,且,则与的面积和是______.