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First, determine the value of x. Then find the measure of ∠BCA. Will brainlist first correct answer.

First determine the value of x Then find the measure of BCA Will brainlist first correct answer class=

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clarch19

Answer:

x = 16

Step-by-step explanation:

the labeled angles are all exterior

the sum of all exterior angles always equals 360 degrees

9x+1 + 5x+12 + 10x-37 = 360

24x - 24 = 360

24x = 384

x = 16

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