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3 years ago

Find the measure of angle A. A 7x-1 12x 489

Mathematics

1 answer:

Degger [83]3 years ago

7 0

Answer:

48 degrees

Step-by-step explanation:

7X-1+12x+48=180

19x+47=180

19x=133

x=7

7(7)-1=A

49-1=A

48=A

A is 48 degrees

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