oblicz pola prostokątów o podanych wymiarach 13cm i 13cm , 15cmi 25cm 20cm , 20cm i 38 cm
zad kolejne oblicz pola kwadratów o podanych długościach boków
3cm
7mm
10cm
11mm
2dm
19m
1cm 5mm
2dm 5mm
3dm 52 mm
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13x13=169cm2.
15x25=375cm2
25x20=500cm2
2
3x3=9cm2
7x7=49mm2
10x10=100cm2
11x11=121mm2
2x2=4dm2=40cm2
19x19=361m2
1x5=5
2x5=10
3x52=156
13 i 13 to masz pole=169
15 x 25=375
20 x 38=760
kwadrat
3x3=9cm^2
0,7 x 0,7=0,49 cm^2
10x10=100 cm^2
0,11x0,11=0,121 cm^2
20x20=400 cm^2
19x19=361 m^2
1,5x1,5=2,25 cm^2
20,5x20,5=420,25 cm^2
30,52x30,52=931,4704 cm^2