Предмет: Математика, автор: маленькаяЯ

Длина прямоугольного параллелепипеда равна а см,ширина b см,высота с см.Найдите объем,площадь поверхности и сумму длин всех ребер этого параллелепипеда,если : а= 0,61,b=0,85,c=2,52 и если a=2,07,b=0,95,c=4,24

Ответы

Автор ответа: ФАИНА1984

1)V=0.61*0.85*2.52=1.30662

S=2(0.61*0.85+0.85*2.52+0.61*2.52)=8.3954

L=4(0.61+0.85+2.52)=15.92

2)V=2.07*0.95*4.24=8.33796

S=2(2.07*0.95+0.95*4.24+2.07*4.24)=29.5426

L=4(2.07+0.95+4.24)=29.04

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