September 2018 1 8 Report

pole rombu, ktorego jedna z przekatnych jest rowna 10 jest rowne 60.oblicz
a)druga przekatna
to chyba bd tak :

P=1/2d1d2
60=1/2*10*d2
60=5d2 /:5
d2=12

b)bok rombu
c)obw.rombu

d) wysokosc rombu


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