3 years ago

I need this answered from someone quick please

Mathematics

1 answer:

nevsk [136]3 years ago

4 0

Step-by-step explanation:

angle A+ angle D = 180°

9y - 19 + 3y - 5= 180

12y - 24= 180

12y= 204

y= 17

angle A= 9*17-19= 134°

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