Odpowiedź:
a) dobrze
b) 12 x 5=60:2=30cm2
c) 8 x 7=56:2=28cm2
a) P=(a*h)/2
a=9 cm
h=6 cm
P= (6*9)/2=54/2=27 cm²
b) P=(a*h)/2
a=5 cm
h=12 cm
P= (12*5)/2=60/2=30 cm²
c) P=(a*h)/2
a=8 cm
h=7 cm
P= (8*7)/2=56/2=28 cm²
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Odpowiedź:
a) dobrze
b) 12 x 5=60:2=30cm2
c) 8 x 7=56:2=28cm2
a) P=(a*h)/2
a=9 cm
h=6 cm
P= (6*9)/2=54/2=27 cm²
b) P=(a*h)/2
a=5 cm
h=12 cm
P= (12*5)/2=60/2=30 cm²
c) P=(a*h)/2
a=8 cm
h=7 cm
P= (8*7)/2=56/2=28 cm²