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 π radian.
 The sum of the measures of the major arc and the minor arc is equal to 360° or 2π radian.
Examples of Minor Arc
Video Examples: Minor Arc
Solved Example on Minor Arc
Ques: Identify the minor arc in the figure.
Choices:
A. Arc BCDB. Arc ABD
C. Arc BAD
D. Arc ADC
Correct Answer: A
Solution:

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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