Odpowiedź:
a) (a+b) * h / 2 =(3+10)*6/2= 13*3=39cm2
b) a- 8m
b- 8-2=6. 6+10=16
(a+b)*h/2= (8+16)*10/2= 24*5=120m2
c) (a+b)*h/2=(16+8)*12/2= 24*6=144m2
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Odpowiedź:
a) (a+b) * h / 2 =(3+10)*6/2= 13*3=39cm2
b) a- 8m
b- 8-2=6. 6+10=16
(a+b)*h/2= (8+16)*10/2= 24*5=120m2
c) (a+b)*h/2=(16+8)*12/2= 24*6=144m2