jak obliczyć drugą wyskokosć równoległoboku o boku a=8 cm , b=4cm h1=2cm ( ile cm ma h2 ?)
P=a* h1=8*2=16
P=b*h2=4h2
4h2=16
h2=4
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P=a* h1=8*2=16
P=b*h2=4h2
4h2=16
h2=4