Minor Arc

Definition of Minor Arc

Minor Arc is smaller of the two arcs formed when a circle is divided into two unequal parts.

More About Minor Arc

  • The measure of the minor arc is always less than 180� or p radian.
  • The sum of the measures of the major arc and the minor arc is equal to 360� or 2p radian.

Examples of Minor Arc

      Examples of   Minor Arc
    Arc PQR is a minor arc, as the measure of arc PQR is less than 180o.

Video Examples: Minor Arc

Solved Example on Minor Arc

Ques: Identify the minor arc in the figure.

    Examples of   Minor Arc
    A. Arc BCD
    B. Arc ABD
    C. Arc BAD
    D. Arc ADC
    Correct Answer: A


    Step 1: An arc of measure less than 180 degrees is the minor arc.
    Step 2: In the figure, arc BCD measures less than 180 degrees. So, arc BCD is the minor arc in the circle.
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