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Answer :

Answer:

31

Step-by-step explanation:

Sum of interior angles of a triangle is 180,

x + 5 + x - 5 + 108 = 180

x + x + 5 - 5 + 108 = 180

2x + 0 = 180 - 108

2x = 72

x = 72 / 2

x = 36

B = x - 5

= 36 - 5

B = 31