Question

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Answer 1

(5x+4)+(4x+14)+(6x-3)=180

15x+15=180

15x=165

x=11

Answer 2

Answer:

(5x+4) +(4x+14)+(6x-3)=180 :- (angle sum property of triangle)

5x+4+4x+14+6x-3=180

15x+15=180

15x=180-15

15x=165

x=165/15

x=11