2. Ob=38dm=380 cm
b=80cm
2b=160cm
2a=380-160=220cm
a=110cm
b=160/2=80cm
P=110*80=8800cm2=0,88m2
ODP: Powierzchnia tego blatu wynosi 0,88 m2
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2. Ob=38dm=380 cm
b=80cm
2b=160cm
2a=380-160=220cm
a=110cm
b=160/2=80cm
P=110*80=8800cm2=0,88m2
ODP: Powierzchnia tego blatu wynosi 0,88 m2