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2023-03-05 23:30:52
2023-02-10 21:38:54
Do OA = OB nên OM là trung tuyến đồng thời là đường cao. Vậy OM là khoảng cách từ tâm O tới dây AB. Tương tự ON, OE là khoảng cách từ tâm O tới dây AC và BC.
Xét tam giác ABC có
Theo tính chất liện hệ giữa độ dài dây và khoảng cách từ tâm tới dây ta có: ON < OM < OE.
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11
2022-03-18 16:37:11