Question

Find the value of a​

Answer 1

Step-by-step explanation:

since the value of angle of circle is 360°.

3a+a+a+a = 360°

6a = 360°

a = 360°/6

a = 60°

Answer 2

Answer: A=30

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Step-by-step explanation:

Third a = 90Degree

1a+1a+1a+3a=180

6a=180

a=180/6

a=30