Предмет: Геометрия, автор: ПрогерПаскаль

Основания трапеции равны 7см и 21 см Найдите боковые стороны трапеции ,если радиус вписанной окружности равен 6 см

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Автор ответа: irinan2014
0
Суммы противоположных сторон 4-хугольника равны.
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