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1/2a*h=1/2*6*3=3*3=9
P=4+2*9=4+18=22
b. P trójkąta= 1/2a*h
P= 1/2*6*2=3*2=6
P prostokąta= 3*6=18
P całkowite= 6+6+18=30
c. P prostokąta= 2*5=10
P kwadratu= 2*2=4
P drugiego prostokąta= 2*4=8
Pole trapezu= 1/2(a+b)*h= 1/2(2+1)*1=1,5
P całkowite= 10+4+8+1,5
e. 1/2(a+b)*h= 1/2(4+3)*1=3,5
P kwadratu= 1
P= 1/2(4+2)*1=3
P całkowite= 3,5*2+1+3
g. P=1/2(3+1)*2=4
P=1/2(1+3)*1=2
P całkowite= 4+4+2+2=12
h. P=1/2a*h= 1/2*2*2=2
P=2*4=8
P całkowite= 2+2+8=12