Ответ учителя по предмету Математика
14*2 = 28 (см) — длина параллелепипеда
14-4= 10 (см) — высота параллелепипеда
А) 14*4+28*4+10*4=208 (см) — сумма длин всех ребер
Б) 2*(14*28+14*10+28*10) = 1624 (см²) — площадь поверхности параллелепипеда;
В) 14*28*10=3920 (см³) — объём параллелепипеда
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