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P=(10,5cm+3,5cm)*5,6cm:2=39,2cm
b=10,5-7=3,5cm
h=5,6
P=1/2 (a+b)*h
P=1/2 (10,5+3,5)*5,6
P=1/2 (14)*5,6
P=7*5,6
P=39,2 cm 2
b=10,5cm-7cm=3,5cm
P=1/2 *(10,5cm+3,5cm)*5,6cm
P=1/2 * 14cm*5,6cm
P=7cm*5,6cm
P=39,2cm[kwadratowe]
Chyba ;D
* = razy ;D