Question

question 32 (1 point)
the first positive angle between the initial and terminal arm of an angle in standard position is called the
a) co - related angle
b) acute related angle
c) principal angle
d) related angle

Explanation:

• A co - related angle is not a standard term in angle definitions.
• An acute related angle is not a recognized term.
• The principal angle is the first positive angle between the initial and terminal arm of an angle in standard position.
• A related angle (also called a reference angle) is the acute angle that the terminal side makes with the x - axis.

Answer:

C. principal angle