10.
如图,能判定EC∥AB的条件是( )
| A. | ∠B=∠ECD | B. | ∠A=∠ECD | C. | ∠B=∠ACE | D. | ∠A=∠ACB |
9.
如图,Rt△ABC沿直角边BC所在的直线向右平移得到△DEF,下列结论中错误的是( )
0 283499 283507 283513 283517 283523 283525 283529 283535 283537 283543 283549 283553 283555 283559 283565 283567 283573 283577 283579 283583 283585 283589 283591 283593 283594 283595 283597 283598 283599 283601 283603 283607 283609 283613 283615 283619 283625 283627 283633 283637 283639 283643 283649 283655 283657 283663 283667 283669 283675 283679 283685 283693 366461
| A. | AC=DF | B. | BE=EC | C. | ∠A=∠D | D. | ∠DEF=90° |