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r-ruslan [8.4K]
4 years ago
11

What is the value of x ?

Mathematics
2 answers:
babunello [35]4 years ago
7 0

Answer:

Step-by-step explanation:

The total interior angle measure adds up to 360° in a quadrilateral.

15x-10+15x+14+11x+10+9x-4=360

50x+10=360

50x=350

x=7

navik [9.2K]4 years ago
4 0

Answer:

4x

Step-by-step explanation:

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