Răspuns :
ab,cd dp cu 4,6
ab/4=cd/6=k
ab=4k
cd=6k
P=1,8
P=2ab+2cd=2*4k+2*6k=8k+12k=20k
20k=1,8
k=0,09
ab=4*0,09=0,36
cd=0,09*6=0,54
ab/4=cd/6=k
ab=4k
cd=6k
P=1,8
P=2ab+2cd=2*4k+2*6k=8k+12k=20k
20k=1,8
k=0,09
ab=4*0,09=0,36
cd=0,09*6=0,54
AB şi BC dp {4,6}
⇒AB/4=BC/6 = k
⇒AB=4k , BC=6k.
Pparalelogram=2AB+2BC , adică 2*4k+2*6k
=8k+12k
=20k .
20k=1,8
k=1,8:20
k=0,09 .
AB=4k=4*0,09=0,36
BC=6k=6*0,09=0,54 .
⇒AB/4=BC/6 = k
⇒AB=4k , BC=6k.
Pparalelogram=2AB+2BC , adică 2*4k+2*6k
=8k+12k
=20k .
20k=1,8
k=1,8:20
k=0,09 .
AB=4k=4*0,09=0,36
BC=6k=6*0,09=0,54 .