Question

For angle given below, write the name of the vertex, the names of the arms and the name of the angle.

$\left(i\right)$

Answer 1

Writing the names of vertex, arms and angle


a) Name of vertex$=$ point $O$ as it is the common point of given rays $AO$ and $BO$.
b) Name of the arms $=$ ray $OA$ and ray $OB$.
c) Name of the angle $=\angle BOA\text{or}\angle AOB\text{or}\angle O$.

Hence, above are the required names.