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07-10-2021
Mathematics

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Find the measure of angle A.

A) 71°
C) 349
E) 440
B) 36°
D) 1230

Find the measure of angle A A 71 C 349 E 440 B 36 D 1230 class=

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07-10-2021

Answer:

The choice C) 34°

Step-by-step explanation:

[tex]75 + (x + 42) + (x + 79) = 180 \\ 2x + 196 = 180 \\ 2x = 180 - 196 \\ 2x = - 16 \\ \\ x = \frac{ - 16}{2} \\ \\ x = - 8 \\ \\ x + 42 = > - 8 + 42 = 34[/tex]

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