Question

Answer of 4th bit solution for a b and c

Answer 1

Answer:

4

Step-by-step explanation:

1.a+2a+90+90=360

3a+180=360

3a=360-180

3a=180

a=60

2a=120

2.3a+80+a+20+a+10=360

5a+120=360

5a=240

a=48

a+20=68

a+10=58

3a=144

3.90+3a+15+5a+10+2a+5=360

10a+120=360

10a=240

a=24

3a+15=87

5a+10=130

2a+5=53

Answer 2

Answer:

(a) a+2a=180°

3a=180°

a=60°

(b) (a+20°)+ 3a+(a+10°)=360°-80°

5a+30°=280°

5a=250°

a=50°

(c) (5a+10°)+(2a+5°)+(3a+15°)=360°-90°

10a+30°=270°

10a=240°

a=24°

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