zad.1
podstawy trapezu sa rowne 5 cm i 7 cm a wysokosc wynosi 9 cm.oblicz pole trapezy
zad.2
oblicz pole rombu o przekątnych długosci 3 cm i 4 cm.
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zad.1
a=7cm
b=5cm
h=9cm
P=½(a+b)h
P=½(7+5)*9=½*12*9=54 [cm²]
zad.2
e=3cm
f=4cm
P=½ef
P=½*3*4=6[cm²]