Answer:
Length oh two equal sides: 1 16/45 cm
Third side: 2 31/45 cm
Step-by-step explanation:
length of two equal sides is x
Perimeter = x + x + ( x + 1 1/3) = 3x + 1 1/3 = 5 2/5
3x = 5 2/5 - 1 1/3 = 27/5 - 4/3 = 61/15
x = 61/45 = 1 16/45
Third side = 61/45 + 4/3 = 121/45 = 2 31/45