nikiford2
nikiford2 nikiford2
  • 19-12-2020
  • Mathematics
contestada

need help plz its math ​

need help plz its math class=

Respuesta :

Sriju
Sriju Sriju
  • 19-12-2020

Answer:

option D 41

Step-by-step explanation:

since ∠N = ∠L

this means that MN = ML    (sides opposite to equal angles are equal)

thus

3x + 1 = 5x - 7

1 + 7 = 5x - 3x

8 = 2x

8/2 = x = 4

inserting values

3*4 + 1= 13

4*4-1 =15

5*4-7 = 13

adding all

13 + 13+ 15 = 41

option D 41

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