What is the measure of minor arc ?

Explanation:

A minor arc is an arc smaller than a half-circle. A central angle which is subtended by a minor arc has a measure less than 180°. A chord, a central angle or a written angle may divide a circle into two arcs. The larger of the two arcs is called the major arc

149°

Explanation:

If you add the 83° and 66° you get the measure of minor arc EG.

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the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.