a=100m
b=60m
h=40m
p=½(a+b)h=½(100+60)×40=3200m²
1ar=100m²
3200:100=32 ary= powierzchnia
P= 0,5*(100 + 60) * 40= 80 * 40 =3200m= 320 a
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a=100m
b=60m
h=40m
p=½(a+b)h=½(100+60)×40=3200m²
1ar=100m²
3200:100=32 ary= powierzchnia
P= 0,5*(100 + 60) * 40= 80 * 40 =3200m= 320 a