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PP= 108 m2
2. 1/2 * 12*19=6*19 = 114
PP= 114 dm2
3. 1/2 * 25 * 17 = 12,5 * 17 = 212,5
PP= 212,5 cm2
2 zad.
1/2 * 24 *24 = 12*24 = 288
PP=288 cm 2
a)12m ,18m
b)12dm,19dm
c)25cm,17cm
2.przekątne kwadratu ma długość 24cm.jakie pole ma ten kwadrat?
1
a. 12m*18m=216m2
b. 12 dm * 19 dm=228 dm2
c. 25*17=425cm2
2,48 cm2
b) 228
c) 425
2. pole kwadratu= 288