answer the question in the png file
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1
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2. C + 60° + 70° = 180°
C = 180° - 130°
C = 50°
B + C = 180°
B + 50° = 180°
B = 180°-50°
B = 130°
A + B + 30° = 180°
A + 130° + 30° = 180°
A = 180° - 160°
A = 20°
3. (5x-60)+(2x+40)+(3x-80) = 180°
10x - 100° = 180°
10x = 180°+100°
x = 280/10
x = 28°
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Answered by
1
Answer:
2. a=20°, b=130°, c= 50°
3. x=28
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