Question

fill in the blanks with explanation.​

Answer 1

Answer:

180°.

Step-by-step explanation:

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

When the major and minor arcs are the same length, they divide the circle into two semicircular arcs. See Semicircle definition. Under these circumstances neither arc is considered to be the major or minor arc

Answer 2

Answer:

option b- 180°

Hope it helps