Предмет: Математика, автор: diiaaannkkaa

Срочнооооо, ооччеень сроочнооо

О - центр кола, АС - дотична, кут А дорівнює 40 градусов, знайти кут ВОС

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Ответы

Автор ответа: oksana12ocozigbf
4

Відповідь:

Якщо ас дотична то кут АСО прямий і = 90* тоді кутСОА=180-40-90=50* кутВОС=180*-кутСОА=180-50=130*

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