Answer:
19
Explanation:
Tangent Chord Angle = 1/2 Intercepted Arc
67 = 1/2 ( 4x+58)
Distribute
67 = 2x+29
Subtract 29 from each side
67-29 = 2x+29-29
38 = 2x
Divide by 2
38/2 = 2x/2
19 =x
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