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ale4655 [162]
3 years ago
9

PLZ FAST I DONT WANNA DIE

Mathematics
1 answer:
gavmur [86]3 years ago
6 0

Answer:

x=15

Step-by-step explanation:

<GCB=180-5x

<EBA=9x

<DAC=8x

The sum of the three exterior angles equals 360.

(180-5x)+9x+8x=360

180-5x+9x+8x=360

-5x+9x+8x=360-180

12x=180

x=15

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