7. The two circles have different radii and the arcs highlighted in blue are different lengths. Are the angles marked alpha and beta (the two Greek letters) also different in measure? L= 8 ( = 4x Ar 6 B R= 12 O no O yes, alpha is 2 times bigger than beta O yes, alpha is 2 times smaller than beta O yes, but it's impossible to tell how much different they are

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