Burns Cervantes
11/02/2023 · Elementary School
Отрезки \( C D \) и \( E H \) пересекаются в точке \( O \) и делятся точкой пересечения пополам. 1. Докажите, что треугольники \( C O H \) и \( D O E \) равны. 2. Найдите длину отрезка \( C H \), если \( D E=7 \) см. 3. Найдите \( \angle E D O \) и \( \angle D E O \), если \( \angle C H O=46^{\circ} \) и \( \angle H C O=57^{\circ} \).
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**1. Треугольники \( C O H \) и \( D O E \) равны.**
2. Длина отрезка \( C H \) равна 7 см.
3. Угол \( \angle E D O = 46^{\circ} \) и угол \( \angle D E O = 57^{\circ} \).
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