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13-01-2021
Mathematics

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

Find the measure of angle A A 7x1 12x 489 class=

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Undeadtillidie Undeadtillidie

13-01-2021

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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