Question

plz solve this problem​

Answer 1

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

Step-by-step explanation:

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Answer 2

Answer:

40,140,40,140

Step-by-step explanation:

Explanation:

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