Предмет: Геометрия, автор: Nik23244

Дано: AB= 2 в корне
BC= 3 в корне
угол BAC= 60 градусов
Найти: угол B

Ответы

Автор ответа: Аня1214

0

4:sin(х)=9:sin(60)
4 х 0.8660 : 9=22 градуси
С=22 градуси
В=98 градусів
180-(60+22)=98
180-98=82
АС=10.3

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