Use three letters to name an angle.

Q.

Name the following angles of the given figure using three letters.

a) $\angle 1$
b) $\angle 2$
c) $\angle 3$

Q. Name the following angle using three letter which is the vertex and which are the arms of the angle.

Q. The maximum number of letters that can be used to represent an angle is

Q. Use the given figure to name the following.
(I) A line
(II) Three rays
(III) Two linne segents
(IV) An angle

Q. While naming an angle the middle letter represents ____.