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a- bok
h-wysokosc
P-pole
P = 54 cm ²
h= 6 cm
a= ?
a= 54 cm ² : 6 cm = 9 cm
Odp : Bok rombu wynosi 9 cm .
54cm2 : 6cm = 9cm
W skali 1:3 =
Wysokość - 2cm
Bok - 3cm
a = P/h
a = 54cm²/6cm
a = 9cm
w skali:
a = 9cm:3
a = 3cm
h = 6cm:3
h = 2cm
i teraz narysuj romb o boku 3cm wysokości 2cm