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matrenka [14]
1 year ago
3

(4x-3) gh (6x + 3)° nog (9x + 12)°

Mathematics
1 answer:
igomit [66]1 year ago
5 0

x value in triangle is 12.

Any exterior angle of the triangle is equal to the sum of its interior opposite angles. This is called the exterior angle property of a triangle.

therefore,(4x-3)°+(6x + 3)°=(9x + 12)°

10x=9x+12

10x-9x=12

x=12

learn more about triangle here:

brainly.com/question/18806624

#SPJ9

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