Mathematics, 25.09.2020 14:01 bluebunny1231999

Найдите координаты середин диагоналей четырёхугольника ABCD, если А(-3; -2; 4), B(-7; 9; -5), C(-13; 16; — 1), D(-9; 5; 5). Определите вид четырёхугольника ABCD.

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Найдите координаты середин диагоналей четырёхугольника ABCD, если А(-3; -2; 4), B(-7; 9; -5), C(-13...