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9 Прямые а и b параллельны, BD — биссектриса
ZABC. Найдите градусные меры 21, 22, 23 (соот-
ветственно).
1) 50°, 50°, 115°
2) 50°, 65°, 115°
3) 115°, 65°, 50°
4) 130°, 50°, 60° ь 1/2
помогите, прошу❤️

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