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Sidana [21]
2 years ago
10

My teacher refuses to teach me please help..

Mathematics
1 answer:
alekssr [168]2 years ago
5 0

Answer: x=30

Step-by-step explanation:

The sum of the angles must be 360.

4x+3x+3x+2x = 12x

12x = 360

x =360/12 = 30

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