Предмет: Геометрия, автор: cat5141

2. В прямоугольном треугольнике ABC катеты
равны 9 и 4 см, найдите площадь данного
треугольника.
3 В равностороннем треугольнике со стороной 8 см.дам 20 баллов пожалуйста срочно

Ответы

Автор ответа: prostaulas

0

Ответ:

2. S(ABC)=1/2*9*4°18

3. S(ABC)=1/2*8*4*sqrt(3)=16sqrt(3)

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