Respuesta :

Answer:

11 + sqrt(53)

Step-by-step explanation:

Lengths

KL = -1 - (-3) = 2

LM = sqrt[(4--3)² + (1--1)²]

= sqrt(53)

MN = sqrt[(1-4)² + (-3-1)²]

= 5

NK = 1 - (-3) = 4

Perimeter = 2 + sqrt(53) + 5 + 4

11 + sqrt(53)

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