DWA ZADANIA mam je na ocene!!
POMOCY!!!;))))
zalezy mi na 5,4 help me!!
V ostrosłupa = 1/3 graniastosłupa
v graniastosłupa = 3 * 80 = 240
v ostrosłupa pole podstawy * h
v pole podstawy * h * 1/3
2 pole podstawy= (a+b)*h*1/2
pp = (20+4)*6*1/2 = 72
v = 72 *H *1/3
v = 72 * 16 *1/3
v= 384 cm sześcienne
masa 384*3 = 1152 g
Zad 1
V = 80 dm3
Vostr. = 1/3 * Pp * H
Vgran. = Pp * H
80 dm3 * 3 = 240 dm3
Zad 2
Pp = 1/2 * (a+b) * h
Pp = 1/2 * (20 + 4) * 6
Pp= 24 * 3 = 72 cm2
V = 1/3 * Pp * H
V = 1/3 * 72 * 16 = 24 * 16 = 384 cm3
384 * 3 = 1152 gram
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V ostrosłupa = 1/3 graniastosłupa
v graniastosłupa = 3 * 80 = 240
v ostrosłupa pole podstawy * h
v pole podstawy * h * 1/3
2 pole podstawy= (a+b)*h*1/2
pp = (20+4)*6*1/2 = 72
v = 72 *H *1/3
v = 72 * 16 *1/3
v= 384 cm sześcienne
masa 384*3 = 1152 g
Zad 1
V = 80 dm3
Vostr. = 1/3 * Pp * H
Vgran. = Pp * H
80 dm3 * 3 = 240 dm3
Zad 2
Pp = 1/2 * (a+b) * h
Pp = 1/2 * (20 + 4) * 6
Pp= 24 * 3 = 72 cm2
V = 1/3 * Pp * H
V = 1/3 * 72 * 16 = 24 * 16 = 384 cm3
384 * 3 = 1152 gram