17.
已知:如图,长方形AOBC,以O为坐标原点,OB、OA分别在x轴、y轴上,点A坐标为(0,6),∠OAB=60°,以AB为轴对折后,使C点落在D点处,则D点坐标(3$\sqrt{3}$,-3).
0 288637 288645 288651 288655 288661 288663 288667 288673 288675 288681 288687 288691 288693 288697 288703 288705 288711 288715 288717 288721 288723 288727 288729 288731 288732 288733 288735 288736 288737 288739 288741 288745 288747 288751 288753 288757 288763 288765 288771 288775 288777 288781 288787 288793 288795 288801 288805 288807 288813 288817 288823 288831 366461