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14.
Obw.=1+5+6+1+3+1+2+3=22
odp.C
10.Dobrze
11.Odp. B
12.Dobrze
19.
P=(a+b)*h\:2
P=(6+10)*3\:2
P=16*3\:2
P= 24cm2
20.
P= 6*6=36-pole kwadratu
P=36:9=4-bok prostokata
TEN RYSUNEK TO ĆWICZENIA 14.
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