如图,AE=ED,BC=3BD,S:ABC=30平方厘米,求阴影部分的面积

如图,AB⊥BD于点B,ED⊥BD于点D,AE交BD于点C,且BC=DC.求证：AB=ED 如图,AB垂直BD于点B,ED垂直BD于点D,AE交BD于点C,且BC=DC 求证：AB=ED 如图,AE=ED,BC=3BD,S:ABC=30平方厘米,求阴影部分的面积 如图,AB⊥BC于点B,ED⊥BD于点D,AE交BD于点C,且BC=DC.求证：AB=ED. 如图,AB=AE.BC=ED. 如图,AB=AE.BC=ED. 如图,AE⊥AB,BC⊥AB,CD⊥ED,ED=DC.求证：AE+BC=AB. 如图,AB‖ED,AE‖BD,AF=CD,EF=BC,求证:∠C=∠F 已知：如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC.求证：ED⊥AC. 已知：如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC 求证：ED⊥AC 已知,如图,ae垂直ab,bc垂直ab,ae=ab,ed=ac 求证 ed垂直ac 如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC,求证:ED⊥AC 如图,AC⊥BD于D,AB=AE,且AB⊥AE,ED⊥BC,四边形ABDE面积为36,则AC= 如图,在△ABC中,已知∠A等于90度,ED⊥BC于点D.AB=BD,求证：AE=ED 如图,AB⊥BD于点D,AE交BD于点C,且BC=DC.求证：AB＝ED 已知,如图,AB⊥BC,AE⊥ED,AB=AE, 已知:如图,AB⊥BC,AE⊥ED,AB=AE, 如图,BD是三角形ABC的角平行线,DE//BC,E在AB上,AE=4,BC=8,求ED的长