Not necessarily. Only if the minor arc is less than 1/4 of the circle. If the minor arc
is more than 1/4 of the circle, then the central angle is obtuse.
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An acute central angle will subtend an acute arc, or one that is less than 1/4 of the whole circle.
No, because there is no acute angle in a circle.
minor arc of cord is half of major arc of same cord
Minor arc
minor arc