Question

In the figure, two straight AB and CD intersect at O. If angle EOD=60°,find a,b,c. ​

Answer 1

Answer:

solve these equations:

1. 2c+a=180°
2. 2c+4b=180°
3. a+b+60°=180°

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Answer 2

Answer:

a=104

b=24

c=42

Step-by-step explanation:

60+4b+b=180

60+5b=180

5b=180-60

5b=120

b=120/5

b=24

60+b =60+24=84=2c

c=84/2=42

a=4b=4*24=94