Предмет: Геометрия, автор: keksik1500

Реши и заполни таблицу. (СРОЧНО)

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Ответы

Автор ответа: komron60

0

Ответ:

1) 21 квадратных см

2) 5 дм

3) 9 дм

Объяснение:

Площадь треугольника = 1/2 × а × h

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