plz solve this problem
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Answer:
(a)straight line angle=180°
50+6x+4x+3x=180°
50+13x=180°
13x=180°-50°
13x=130°
x=10°
6x=6×10=60°
4x=4×10=40°
3x=3×10=30°
Angles are 50°,60°,40°,30°
(b)Complete circle angle =360
2x-10+5x+15+40+6x-10=360
13x+35=360
13x=360-35
13x=325
x=25
2x-10=2(25)-10=50-10=40
5x+15=5(25)+15=125+15=140
6x-10=6(25)-10=150-10=140
Angles are 40,140,40,140
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Answer:
40,140,40,140
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