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
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.
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.