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2014-10-19T19:04:05+03:00
L=1/4L
P=50 cm
2L+2l=50
2L+1/2L=50
5/2L=50
L=20 cm
l=5 cm


  • Utilizator Brainly
2014-10-19T19:04:58+03:00
P=50 cm
L=4l
_________
L=? l=?
_________
2(L+l)=
50
2(
4l+l)=50
5l=50
10l=50 ⇒ l=5 cm deci L=4=20 cm