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e = 6
f = 8
P = 1/2 ef
P = 1/2 * 6 * 8
P = 24 j. kw.
P=e*f/2
P=6*8/2=24
Obw=4a
Aby obliczyć a trezba skorzystać z pitagorasa
4^2+3^2=x^2
16+9=25
√25=5
a=5
Obw=4*5=20
Obw=20
P=24
obw = 4x5= 20
P= 1/2 d1 x d2
p= 1/2 x 4x 3=6
x= razy..
;P