Question

ex 12 va rogggggg multtttt​

Answer 1

notez x1, x2, x3, laturile triunghiului

avem x1:4=15cm=> x1=15•4=60 cm

x2=2•x1

x2=2•60=120 cm

x3=x1+x2/3

x3= 120+60/3 =180/3= 60 cm

P= x1+x2+x3=60+60+120=240 cm

succes!