Предмет: Геометрия, автор: hhqjekalslkdj

СРОЧНО!! ОСТАЛОСЬ 2 МИНУТЫ!!! БАЮ 40 БАЛЛОВ!! ПОЖАЛУЙСТА!!!​

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Ответы

Автор ответа: marshal500
0

Ответ:

Объяснение:

Основание AD - 6 клеток - 6*15=90 см;

высота, проведенная к AD - 4 клетки - 4*15=60 см;

S=AD*h/2=90*60/2=2700 см².

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