Предмет: Алгебра, автор: farangizhakkieva

Основание треугольника 9 см, а угол между ним и боковой стороной, равной 8 см, равен 30 градусов. Найти площадь треугольника.​

Ответы

Автор ответа: Miranka
1

Ответ:

18см²

Объяснение:

S=1/2×a×b×sin(a)

Sin(30)=1/2

S=1/2×9×8×1/2=18см²

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