Mathematics, 25.07.2021 19:40 mememe87

Cho góc AOB là góc bẹt . Trên cùng một nửa mặt phẳng bờ AB, vẽ góc BOD=50°, vẽ OC vuông góc OD tại O. a. Tính góc BOC; góc AOC b. Vẽ OE là tia đối của OC. Tính góc AOE và DOE

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Cho góc AOB là góc bẹt . Trên cùng một nửa mặt phẳng bờ AB, vẽ góc BOD=50°, vẽ OC vuông góc OD tại O...

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