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BartSMP [9]
3 years ago
14

??? please help i cant do it

Mathematics
1 answer:
Andrej [43]3 years ago
3 0

Answer: 111 degrees

Step-by-step explanation:

all angles added up together is 360 degrees

vertical angles = 180 degrees -> 3x+15=R, 2x+5= missing angle

360 = (2x+5)+(2x+5)+(3x+15)+(3x+15)

360 = 10x+40

320 = 10x

32 = x

plug it in

3x+15 -> 3(32)+15 = 111 degrees

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