Answer:The measure of an arc is given in degrees. The length of an arc depends on the size of the circle and is measured in standard units, such as inches, centimeters, etc. The circumference of a circle is an arc measuring 360 o. The length of the circumference is given by the formula: C = π d, where d is the diameter of the circle.

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Answer:The measure of an arc is given in degrees. The length of an arc depends on the size of the circle and is measured in standard units, such as inches, centimeters, etc. The circumference of a circle is an arc measuring 360 o. The length of the circumference is given by the formula: C = π d, where d is the diameter of the circle.Step-by-step explanation: