Dane:
Pb=72cm²
V=54cm²
Szukane:
d=?
D=?
H=?
Obliczam wysokość h
72=4*aH/:4
aH=18/a
H=
Obliczam krawędź a
V=Pp*H
Pp=a²
54=a²*H
54=a²*
54=18a/:18
a=3
d=a√2=3√2
z tw. Pitagorasa
d²*H²=D²
(3√2)²*6²=D²
18+36=D²
54=D²
D=√54=√9*6=3√6
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Dane:
Pb=72cm²
V=54cm²
Szukane:
d=?
D=?
H=?
Obliczam wysokość h
72=4*aH/:4
aH=18/a
H=
H=
Obliczam krawędź a
V=Pp*H
Pp=a²
54=a²*H
54=a²*
54=18a/:18
a=3
d=a√2=3√2
z tw. Pitagorasa
d²*H²=D²
(3√2)²*6²=D²
18+36=D²
54=D²
D=√54=√9*6=3√6