Предмет: Геометрия, автор: artem777273838

Пятое срочно надо пожалуйста

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Ответы

Автор ответа: ElsaNya
0
верные утверждения: 1) 2)
Автор ответа: PoLerka
0
1. Квадрат гипотенузы равен сумме квадратов катетов
Верно
2. Площадь ромба равна половине произведения его диагоналей
Не верно 
3. Площадь трапеции равна произведению полусуммы ее основания на высоту 
Верно
4. По теореме Пифагора 25+144 = 289 
Не верно
5. Площадь прямоугольного треугольника равна половине произведению двух его катетов.
Не верно 
Ответ: 1 и 3
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