Question

the measure of a samicircle arc___​

Answer 1

Answer:

Arcs are measured in three different ways. They are measured in degrees and in unit length as follows: Degree measure of a semicircle: This is 180°.

Answer 2

Answer:

Arcs are measured in three different ways. They are measured in degrees and in unit length as follows: Degree measure of a semicircle: This is 180°. Its unit length is half of the circumference of the circle.