P=102 cm
L1= L2-8 => L2= L1+8
L1= 2+2L3 => L3= (L1-2):2
TEORIE!!!!!
P= SUMA CELOR TREI LATURI DACĂ TRIUNGHIUL ESTE OBIȘNUIT!
P= L1+L1+8+(L1-2):2
102= L1+L1+8+(L1-2):2 | x 2
204= 2L1+2L1+16+(L1-2)
204= 4L1+ 16+ L1-2
204= 5L1 + 14 |-14
190= 5L1 | :5
L1= 38
L2= 46
L3= 36:2
L3= 18
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